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Can't change DNS from default Comcast. I have 2 AX4200 nodes and I've gone into the Linksys settings under Connectivity to update DNS 1 and DNS 2 to the Cloudflare IP addresses. However, it doesn't appear to be working. When I look under Wifi Details in the DNS section on my MacBook or my Dell, they both say the DNS server is hsd1.mn.comcast.net.Select the Device you want to modify. In this example, I have selected Desktop. Scroll down until you see the gear icon next to the device as shown in the following image: Click on the parental control option. Finally, select OFF and click apply. The change should happen immediately.As you can see, DNS updates normally take much less time to propagate than the "24-48 hours" you've heard. In normal circumstances, the TTL for a DNS zone plus its Refresh interval should give you the maximum time it will take for all DNS servers to get the latest information. Generally, that's a lot less than 24-48 hours.

Xfinity Router DNS Setup in Windows. Right-click on the Start Menu and open Control Panel. Navigate to Network and Internet, then Network and Sharing Center on the left panel. Click on Change Adapter Settings. Now, based on the type of connection to configure, choose the appropriate option –.- Disable the DHCP server on your router. It still needs to be a DHCP client to route properly but you do not care if it never, ever, gets a response from Comcast DNS servers again and you certainly do not want it to tell your systems to use 75.75.75.75 and 75.75.76.76 for name servers. - Enable the DHCP server on your new system.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 ...Here are our top picks for the best DNS benchmark tools for your websites. GRC DNS Benchmark: Best for nameserver visibility. DNSPerf: Best for easy accessibility. NameBench: Best for power users. DNS Jumper: Best for manual DNS server customization. DNS Checker: Best for mobile. MXToolbox: Best for integrated webmaster tools.Earlier this year, Comcast completed DNSSEC, which made us the first major ISP in the nation to provide customers with a secure DNS service. You can read more about our DNSSEC deployment in this previous Comcast Voices post. We're taking this a step further and we've recently added a new feature, called DNS Lock, to our Constant Guard Protection Suite to help prevent Xfinity Internet customers ...

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 ...Learn more about how DNS works and what DNS servers do. DNS, or the domain name system, is the phonebook of the Internet, connecting web browsers with websites. Learn more about how DNS works and ... Different DNS recursive resolvers such as Google DNS, OpenDNS, and providers like Comcast all maintain data center installations of DNS … ….

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I am using Comcast with my small business, I have a new cable modem (Model: DPC3941B) which supports IPv6. I am using DHCP on the modem. I have configured the DNS server settings in DHCP for IPv4 to point at my servers. I have an AD domain and need clients to talk to my DNS servers. I would like to do the same with IPv6.Starting about 8 months or so ago, the Google Wifi router just stopped resolving DNS entries. In my estimation, about 9/10 reboots of the router fix it for 2-12 hours. About 1/10 of the reboots seem to fix it for weeks (or until the next time we end up losing power to the device and it's forced to reboot).

This list of public and free DNS servers is checked continuously. Read how to change your DNS server settings. CSV; Plaintext; JSON; IP Address Location AS Number Software / Version Checked ... 24.19.134.239 c-24-19-134-239.hsd1.wa.comcast.net. Tacoma 7922 COMCAST-7922 — 2023-08-17 22:02:23 UTC: valid DNSSEC 100 % Whois: …DNS: root name servers Application Layer: 2-5 official, contact-of-last-resort by name servers that can not resolve name incredibly important Internet function •Internet couldn’t function without it! •DNSSEC –provides security (authentication and message integrity) ICANN (Internet Corporation for Assigned Names and Numbers)

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