May 8, 2022 · 1 Open an elevated PowerShell. 2 Enter the command below into the elevated PowerShell, press Enter, and make note of the Interface Alias (ex: "Ethernet") you want to change the IPv4 or IPv6 DNS server address for. (see screenshot below) Get-DnsClientServerAddress. Xfinity cable TV or internet outages typically happen when Comcast's network goes down, but equipment problems can sometimes look like network problems. If you're stuck staring at a blank TV or computer screen, check your Xfinity equipment before calling Xfinity customer service.Your IP space is designated for residential Comcast service. You can send or receive email through the Comcast email servers by using our webmail application or by configuring your email client to connect properly. If you need to run your own email server, please contact our Commercial Services organization at [email protected] I announce the DNS servers both on IPv6 and IPv4 addresses (yep, that's legal) - I announce my DNS domain - it's not a real domain in the world but since I have my own DNS server which is authoritative, all of my systems believe it is real and as long as comcast never creates the domain home.comcast.net, I'm golden.Cloudflare 1.1.1.1. The Cloudflare DNS is one of the best-known and most commonly used servers in the world. It has a reputation for being fast and responsive, reporting an average lookup speed of 11ms. That could be four times as fast as the standard DNS server set by your ISP.Jan 2, 2023 · While trying to troubleshoot I've setup some public dns entries that point to private ips (192.168.1.x) and found that comcasts dns servers (75.75.75.75,75.75.76.76) will not resolve those hosts for me. But, hosts pointing to public ips on he same domain DO resolve properly. This leads me to believe that comcast is filtering dns requests that ... Comcast has ocassionally messed up its DNS servers - last year they had a series of systemwide DNS outages that lasted several days. (My Comcast DNS servers are 68.80.0.12 and 68.80.0.5.) Today Comcast DNS is being slow - but not out. That is good, because it means I can still get to Google and I can still use it to find other DNS servers.DNS Resolution Issues. Friday, April 30, 2021. 2 minute read. On 5/12/2020, Domain Names using register.com DNS Servers become intermittently inaccessible from Comcast internet connections. The root cause of this issue appears to be lack of DNSSEC and EDNS support by the register.com DNS Servers. To resolve this issue, AIS recommends using ...Non-Anycast CDNs should support EDNS Client Subnet (ECS) to ensure users of Google Public DNS are routed to the closest POP. Imagine a user in Vietnam uses Google's DNS resolver 8.8.8.8 and loads www.website.com in the browser. The user's machine sends the DNS query to the closest Google DNS resolver in Singapore.The Purpose Of A DNS Server. The best way to think of a DNS server is as an intermediary and translator between human and computer. Every device that connects to the internet—including computers ...Posted by SPR1 on Jan 4th, 2021 at 2:31 PM. Solved. DNS OpenDNS. Wondering at home and work ,if anyone uses any 3rd party free DNS servers instead of non ISP default DNS address. The default DNS what comcast provides is 75.75.75.75 75.75.76.76. Instead of the default above ISP DNS servers, do you use any other DNS server on your home/work ...2. Google Public DNS. Google Public DNS service is probably one of the most popular free and public DNS servers on the planet. Launched in December 2009, the Google Public DNS aims to make the internet more reliable and secure.@BruceW I haven't had a problem in three days, since I switched from Comcast's DNS to OpenDNS. I ran a speed test after swapping the cables on the splitter and I got some impressive numbers. I'll keep an eye on things for awhile and if troubles resurface I'll place a service call to Comcast. Thanks for your help Bruce.Jul 16, 2023. #2. Make sure you are NOT using Comcast's DNS servers on your router's WAN. They have randomly and with no warning enabled their "XFinity Advanced Security" crap on our connections ...Right-click the first device for which you want to change the DNS settings, and then click "Properties." Select "Internet Protocol Version 4" from the list. In the dialog box that appears, select the radio button next to "Use the Following DNS Server Addresses," type your preferred DNS server addresses, and then click "OK."And other DNS servers also cache entries, also. E.g., suppose Mary is a Comcast customer whose system connects to martijn.example.com. Her system may query the Comcast DNS servers to get the IP address for the website. So now the Comcast servers know the IP address that goes with the FQDN. Another Comcast customer, Bill, also wants to visit ...Comcast Business SecurityEdge™ requires Comcast Business Internet and compatible leased router. SecurityEdge will not work when connected via public WiFi and may not work if connected to virtual private network technology or non-Comcast DNS servers. [Certain features such as customized web filtering will not be available if connected via ...I went into the router settings and selected "Use these DNS SERVERS" I entered 1.1.1.1 as the primary and 1.0.0.1 as the secondary. This is a new DNS server provided by Cloudflare. After saving my settings and rebooting my router, I checked my iPhone, iPad, and Windows 10 PC to see what DNS servers they were using.While trying to troubleshoot I've setup some public dns entries that point to private ips (192.168.1.x) and found that comcasts dns servers (75.75.75.75,75.75.76.76) will not resolve those hosts for me. But, hosts pointing to public ips on he same domain DO resolve properly. This leads me to believe that comcast is filtering dns requests that ...DNS delays after rebuilding network. A switch from DSL to Comcast HSI and a few cable routing changes has me rebuilding, testing and troubleshooting our small network. At the moment everything seems to be close to where it was before except for one showstopper: DNS response sometimes freezes, making for an awful network experience.Just type DNS in the search box at the top right of the comcast forum page. You will find tons of threads with DNS servers listed. · actions · 2003-Dec-8 11:58 pm ·Select the network adapter you want to change the DNS server, like "Wi-Fi", on the left, and then click the "Advanced" button. Click over to the "DNS" tab and use the DNS Servers box to configure your desired DNS servers. Click the "+" button at the bottom and add IPv4 or IPv6 server addresses to the list.it's just comcast dns server lol - 2017-12-20 These comments are so funny lmfao. - 2017-10-11 These comments are hilarious. - 2017-04-30 DNS reflection attack - 2016-12-08 Been attacked i think by 75.75.75.75 and 75.75.76.76 dont know what it means but it's not good - 2016-12-04 Bruh it's a comcast server how they finna hack u - 2016-08-14 Following is the list of DNS servers in United States of America available in our database. More Countries in North America Anguilla Barbados Canada Costa Rica Dominica Dominican Republic Guatemala Honduras Jamaica Cayman Islands Saint Lucia Martinique Mexico Nicaragua Panama Puerto Rico El Salvador Trinidad and TobagoWhat Is Comcast Domain Name Server. Comcast is an American telecommunications conglomerate that provides cable television, internet, telephone, and wireless services to consumer under the Xfinity brand. It is the second largest broadcasting and cable television company in the world by revenue and the largest pay-TV company, the largest cable TV ...Since the router is not a real DNS server it has no name (or at least it doesn't report a name when queried), so NSLookup doesn't know its name and instead reports "unknown" as the name. Try using a specific DNS server with NSlookup, like say Google's (8.8.8.8): nslookup - 8.8.8.8. (using - instead of a host name puts NSLookup into interactive ...Syntax: host <ip-address> Sample: host 24.6.1.16. Output: So that is our FQDN: c-4thoctet-3rdoctet-2ndoctet-1stoctet .hsd1.ca.comcast.net. There are a couple of things that makes this work. It appears that Comcast DNS Servers are configured: with Reverse DNS for the IP Address Pool that they own. The DNS are updatable — That is each time ...Enter the secondary DNS server you want to use in the DNS Server2 text box if desired. You need to enter at least one DNS address. You need to enter at least one DNS address. Save the changes with the Apply button at the bottom of the page.Most ISPs run their own DNS servers, but Comcast's is fucked up right now and doesn't work properly. Manually switching the DNS to 8.8.8.8 forces your computer to use Google's free DNS service instead of Comcast's, and will effectively fix this problem for home users. You can still use some services that don't work off of DNS (TF2 is still ...Even if you want to keep your current gateway, you should be able to disable the DHCP server on it or at least set it to only have one address in the pool. Then run the DHCP server available with pihole, which will automatically hand out the pihole's IP as the DNS server. Edit: It doesn't look like you are able to change the DNS addresses on ...Comcast Business SecurityEdge does not prevent access to Internet sites if connected via public WiFi, virtual private network technology or non-Comcast DNS servers. ©2019 Comcast.Your options are: Manually configure DNS on all client devices. Buy/build your own router + cable modem (at $10/mo for cable modem rental, a new cable modem pays for itself in a year or so, and if you're under contract to comcast for 2 years, not buying your own modem is literally throwing away money).Hi, I've setup OpenWRT 18.06.1 on linksys wrt1900ac v1, everything is working fine for mac / linux machines, but on some windows machine and my kindle (and some IoT devices) it doesn't get DNS responds. I think it may be a DNSmasq problem because if I set DHCP-option 6 to directly advertise DNS servers(75.75.75.75, since my ISP is comcast), things are working just fine. I still want to use ...Note: Comcast offers a feature called 'SecurityEdge', which is a DNS filtering service that overrides anything set at the client device level. If an organization is behind a Comcast modem with SecurityEdge enabled, all DNS queries will be redirected to NetActuate or Comcast DNS servers.Mine's a TL-WR740N, FWIW. I just went to DHCP > DHCP Settings, clicked Enable, and used Google's DNS servers for the primary and secondary DNS (8.8.8.8 and 8.8.4.4). – Mu Mind. Nov 18, 2014 at 5:42. Add a comment. 0. I had the same issue everybody else does with comcast's new modem/router combo.The internet is a vast and ever-growing network, and with it comes the need for increased security. A proxy server is a great way to protect your data and keep your online activities private.Xfinity Community Forum Internet Your Home Network Change dns server? Paulie420 New Poster • 2 Messages Saturday, May 2nd, 2020 4:00 PM Closed Change dns server? Can I change my dns server with this xFi router? I don’t see an option to doso. Question • Updated 2 years ago 48.8K 6 1 2 Responses darkangelic +31 more Gold Problem Solver • 2K MessagesThe nslookup shows that the DNS server is at Comcast. On the Clients the settings are "Automatic" for finding the IP addresses and the DNS. So, when I disable the DHCP on the Comcast device, the clients get IP addresses from the DC (Domain Controller) and are able to login into the domain but then the Internet stops working on …Dec 17, 2021 · Somehow, the 2001:558:feed::1 IPv6 DNS server is trying to redirect my website to some other IP. This behavior seems EXTREMELY fishy to me. Domain name is registered through GoDaddy, and the DNS is handled by GoDaddy's DNS servers, which points to my IP address where the site is hosted. The site is actually hosted on a Comcast Business ... Comcast Business appears to be enforcing SOA lookups on all DNS requests, regardless of chosen lookup server. This has two impacts, one is much easier to work with than the other and has a smaller impact. The other has a much bigger impact but is more difficult to diagnose. Issue 1) I am preparing to move DNS service from one server to another.Remove Comcast DNS redirect. Things you'll need to stop Comcast from redirecting your improper URL's: 1) Your main Comcast account User ID / email address. 2) Your cable modems MAC address. 3) Visit the Comcast "Domain Helper" opt-out URL. In typical Comcast style, they altered your service without your consent, and you have to actually ...Just type DNS in the search box at the top right of the comcast forum page. You will find tons of threads with DNS servers listed. · actions · 2003-Dec-8 11:58 pm ·Comcast Business SecurityEdge™ requires Comcast Business Internet and compatible leased router. SecurityEdge will not work when connected via public WiFi and may not work if connected to virtual private network technology or non-Comcast DNS servers. [Certain features such as customized web filtering will not be available if connected via ...Click on Internet Protocol Version 4 (TCP /IPv4) and then Properties.; Select Use the following DNS server addresses and enter the new DNS address in the box below.; Enter the primary DNS in the first box and the secondary DNS in the second box. Click OK.; If you want to use IPv6, Click on Internet Protocol Version 6 (TCP /IPv6) and then Properties.Find the IPv6 DNS servers and enter them as ...May 31, 2022 · To be clear, the MG8702 is acting as a DHCP server. It was set to get the DNS servers from the WAN (Obtain from MSO) and it got 75.75.75.75 and 75.75.76.76, which are the xfinity DNS servers. I verified with nslookup that those DNS servers do respond correctly. Best & Fastest DNS Servers. So here is the list of best DNS servers available online that offer impressive services with both paid and free versions. 1. Cloudflare. Although Cloudflare is best known for its CDNs (Content Delivery Networks), they also offer a new public DNS service named 1.1.1.1.your computer appears to be correctly configured but the device or resource dns server is not responding . i have reset network . i have reset modem both from app and manual . ... If you can't find the problem or you'd rather have Comcast take care of it, call them at the phone number on your bill or 1-800-Comcast, or use one of the options on ...Nameservers play an important role in connecting a URL with a server IP address in a much more human-friendly way. Nameservers look like any other domain name. When you look at a website's nameservers, you'll typically see a minimum of two nameservers (though you can use more). Here's an example of what they look like:Worse is that because reverse DNS delegation is a trivial thing to set up - so trivial that it could (and should!) be automated with a simple form within the account management console similar to what you might see in a domain registrar account management console for manaing forward lookups with custom DNS servers - that Comcast's refusal to ...Comcast DNS servers alone: 600B DNS queries/day. Akamai DNS servers alone: 2.2T DNS queries/day. Application Layer: 2-Thinking about the DNS. ... πελάτης στέλνει μήνυμα ερωτήματος στον root server για να βρει τον .com DNS server.There are four main types of DNS servers:: These are the DNS servers for a specific domain, such as comcast.net. Authoritative DNS servers contain a complete record of all the DNS records for a domain. Recursive DNS servers: These DNS servers provide answers to queries from clients for hostnames that are not contained in their cache.Click Network. The window shown below appears. Select a network interface from the sidebar. By default, your primary network interface is selected. If you use more than one interface to connect to the internet, use these instructions to update the DNS servers for all of the interfaces. Click Advanced. Click the DNS tab.To fix DNS server not responding on Comcast’s Xfinity internet, reboot your modem or router and check all the external wirings. Then, clear excess DNS cache or disable features like peer-to-peer Windows update, antivirus, and firewall protection. Finally, if nothing else works, attempt a router firmware update or hard reset.Comcast DNS server keeps me from connecting to the internet elsewhere. I have a MacBook Pro running Catalina. At my office I have CenturyLink and I have Comcast at home. The last 2 days when I came into the office I could not connect to the internet on our wifi network. I talked to the CenturyLink tech and they told me to set my DNS to 205.176 ...2. Site still connects fine if i revert back to Comcast ISP DNS, AND keep local DNS cache. 3. Site will not load if i clear local dns cache and set dns server as Comcast default. 4. Older subdomains load through comcast dns, but newer subdomains, created in last 30 days, do not load if comcast is used as dns server provider.3. at the nslookup prompt type: server adns.cs.siteprotect.com. 4. press enter. 5. type set type=any. 6. press enter. 7. type: immlutheran.org. 8. press enter. these steps will query the DNS server that comcast owns, and will return the records for my domain. as you see they're wrong. 0.By clicking the "message" icon in the upper right page of our forum page. Once you click on that, input our shared handle (Comcast Business) to send us a private message. Thanks! • Click "Sign In" if necessary. • Click the "Direct Message" icon in the top right corner. • Click the "New message" (pencil and paper) icon.First screenshot is my LAN network. Note that I am specifying my DNS servers explicitly - 4 of them - Comcast, then Google. In my last post above, the WAN interface was specifying Comcast only, and the problem IP address was the secondary DNS server specified.While troubleshooting slow DNS response on my home network I came across this problem. About a year ago, I set up a local DNS server to facilitate file sharing/VNC etc. I also set the DNS server to forward non-authoritative queries to Google DNS, and set my DHCP server to hand out the local DNS to clients on the network.An open DNS recursive service for free security and high privacy. Quad9 is a free service that replaces your default ISP or enterprise Domain Name Server (DNS) configuration. When your computer performs any Internet transaction that uses the DNS (and most transactions do), Quad9 blocks lookups of malicious host names from an up-to-the-minute ...With DNSSEC, a web site name such as www.comcast.net can be cryptographically signed in the Domain Name System by the domain name owner. Then, when a customer tries to connect to that website, the Comcast DNS server checks that domain name, and verifies that signature to ensure that it is valid and has not been tampered with by hackers or other ...It's intentional. The Comcast DNS servers are hardcoded into the firmware of the Comcast supplied gateway devices. It can't be altered. And to expand: Comcast gateways not only do not let you alter the DNS servers, they intercept all DNS requests and route them to the Comcast servers. Even changing the DNS on a device will not work.Comcast dropped "domain helper" some years ago. But if you have one of their rental Internet gateways they intercept all DNS queries and redirect them to their own servers. The only way around this is to purchase your own modem and router. Then you can use whichever DNS servers you want.The nslookup shows that the DNS server is at Comcast. On the Clients the settings are "Automatic" for finding the IP addresses and the DNS. So, when I disable the DHCP on the Comcast device, the clients get IP addresses from the DC (Domain Controller) and are able to login into the domain but then the Internet stops working on the clients.A back-end server is a part of the back-end process, which usually consists of three parts: a server, an application and a database. The back end is where the technical processes happen, as opposed to the front end, which is usually where t...How to Change IPv4 and IPv6 DNS Server Address in Windows A DNS (Domain Name System) server is the service that makes it possible for you to open a web browser, type a domain name and load your favorite websites. When you subscribe to an Internet connection with an Internet Service Provider (ISP) (ex: Cox, Comcast, AT&T, etc...) in your area, you will use their DNS server by default.Go to Settings > Network & Internet > Status. Under Advanced network settings, click Change adapter options. Right click on your network adapter and select Properties. Select Internet Protocol version 4 (TCP/IPv4). Click Properties. In the bottom half of the menu, change Obtain DNS server address automatically to Use the following DNS server ...So with that ruled out, we decided to try the hotspot function on her cell phone. Once again, she connected to the SSID from her phone, and it assigned an IP address, but not a DNS server. ipconfig /all still displayed the company internal DNS server instead of one assigned by DHCP on her phone. We tried doing an ipconfig /release & /renew with ...While troubleshooting slow DNS response on my home network I came across this problem. About a year ago, I set up a local DNS server to facilitate file sharing/VNC etc. I also set the DNS server to forward non-authoritative queries to Google DNS, and set my DHCP server to hand out the local DNS to clients on the network.This post references a previous question post from 2013 of the same subject title minus the "... Revisited 2020". I tried to post new to that thread but apparently that is not possible...Syntax: host <ip-address> Sample: host 24.6.1.16. Output: So that is our FQDN: c-4thoctet-3rdoctet-2ndoctet-1stoctet .hsd1.ca.comcast.net. There are a couple of things that makes this work. It appears that Comcast DNS Servers are configured: with Reverse DNS for the IP Address Pool that they own. The DNS are updatable — That is each time ...They are blocking all DNS traffic. Things seem to be working now for many clients. Just for fun I did some googling of Comcast blocking or forwarding port 53 and found a ton of stuff about how, in the past/present, have been found to be transparently hijacking DNS requests and forwarding them to their own servers. Running dcdiag /tes:dns gives the following: (I've changed the domain information accordingly.) Text. C:\Windows\system32>dcdiag /test:dns Directory Server Diagnosis Performing initial setup: Trying to find home server... Home Server = DC1 * Identified AD Forest. Done gathering initial info.However, the default settings for the DNS come pre-set in the Xfinity Wi-Fi router and are a little tricky to get past. This is because the router has the DNS servers encoded on it which makes them quite immune to change. Even if you do manage to bypass the DNS, the Comcast gateways intercept the exchange and redirect it back to the DNS servers.Dec 20, 2009 · 1. You can use the nslookup command to check DNS resolution. Open a cmd terminal window (Start -> cmd > run). Type: nslookup www.google.com. The first two lines are the domain server you are using. In my case: C:> nslookup www.google.com. Server: cns.sanjose.ca.sanfran.comcast.net. See all United States of America Public DNS Servers List. Explore and find which DNS server you want to use in your Windows or MAC DNS settings. ... Comcast Cable ...However, the default settings for the DNS come pre-set in the Xfinity Wi-Fi router and are a little tricky to get past. This is because the router has the DNS servers encoded on it which makes them quite immune to change. Even if you do manage to bypass the DNS, the Comcast gateways intercept the exchange and redirect it back to the DNS servers.DNS security services have delivered 100% uptime since 2006. 7 M. Blocks more than 7 million malicious domains and IPs while delivering high performance. 60 k.Here's how to install the DNS server role using the Install-WindowsFeature command. Run PowerShell on your computer in an elevated session. To configure DNS forwarders, replace the placeholders <ip_forwarder_1> and <ip_forwarder_2> with the IP address of the DNS server to be used as your forwarders.DNS Server 2:1.1.1.1. Make certain you save the changes by scrolling down and clicking on "Apply". "8.8.8.8" and "1.1.1.1" are high availability public DNS servers (actually multiple servers under each) provided by Google and Cloudflare. No special reason to use Xfinity's DNS servers inside your LAN.I found the default DNS comcast servers to be really wonky on both of them. Setting them to cloudflare or google on a third party Netgear magically fixed my DNS issues. "dig query" to cloudflare/google and even oddballs like afraid.org is faster too, which is odd because in theory, your direct upstream DNS should be faster.Mine's a TL-WR740N, FWIW. I just went to DHCP > DHCP Settings, clicked Enable, and used Google's DNS servers for the primary and secondary DNS (8.8.8.8 and 8.8.4.4). - Mu Mind. Nov 18, 2014 at 5:42. Add a comment. 0. I had the same issue everybody else does with comcast's new modem/router combo.CenturyLink DNS addresses. Domain Name Server, or DNS addressing, is sometimes called the phonebook of the internet. It's a huge system of directories that translate text-based website names to long numbers (IP addresses) that can be used by computers. CenturyLink automatically assigns a DNS address to each device that connects to our …25 thg 1, 2012 ... ... Comcast has deployed DNSSEC-validating DNS server, Next, Enable DNS over HTTPS in Windows 11. To get started setting up DNS over HTTPS,, Under Advanced network settings, click Network troubleshooter. Once clicked, the troubleshooter may as, DNS Issues - No DNS Responses. I continually have DNS issues with my Comc, The problem is the Comcast modem is handing out IPv6 DNS to Comcast's DNS servers which is result, Verizon Check the IPs of Free Public DNS Servers by Comcast Xfinity. Configure your netw, This certificate was issued from register.be.xfinity.com. No matter where I went with, View all United States of America DNS Servers Support Me , This tool can average connection speed for any Internet pro, DNS Resolution Issues. Friday, April 30, 2021. 2 minute read. On 5/12, Hi. I have the below Orbi 6 and suddenly the "Use These DNS Ser, Method 2: I would also suggest you to change the Preferred DNS ser, mrBill12 • 1 yr. ago. At home I actually use an Adguard Home instance, Select your Internet connection, for example Ethernet: Click , Some servers need to register DNS or open ports, whi, 26 thg 6, 2020 ... Comcast has agreed to be the first hom, Follow the steps below to find the IP address of your Co, Put simply, an authoritative DNS server is a server tha.