Jul 13, 2020 · For mobile devices, there are many apps available to change your DNS servers, especially on Android. Our list contains 8 of the best DNS servers to use this year: 1. Google’s Public DNS Server. Primary DNS:; Secondary DNS:; Often listed among the best, Google’s free DNS servers are both easy to remember and highly available

My suggestion on this would be to put at least 1 public DNS server (, or ISP's DNS) in addition to your main site DNS server. I did that at a client with 1 main site and 2 remote sites. ASA 5505's are installed at all three. They don't seem to have any issues. Apr 17, 2020 · Comodo Secure DNS ¶ SecureDNS references a real-time block list (RBL) of harmful websites (i.e. phishing sites, malware sites, spyware sites, and parked domains that may contain excessive advertising including pop-up and/or pop-under advertisements, etc.) and will warn you whenever you attempt to access a site containing potentially Level3 provides one of the most commonly used DNS services in the world, with many ISPs and mobile data providers relying on their DNS servers. Verizon's DNS servers are frequently listed as,,,, and/or, however those DNS servers are actually alternate addresses of the Level3 server addresses shown above. May 03, 2019 · Symantec Messaging Gateway (SMG) is experiencing delivery issues, and is using a public DNS server. Examples might be (provided by Google), (pro Oct 22, 2008 · and are level 3 customer dns servers. Easily number in the hundreds. is google which I couldn't even guess, but over a thousand is a conservative idea. I think that's off by an order of magnitude. Here's a list of locations Google has anycast servers on. It's unlikely they spread those broadcast domains beyond a single

The free DNS servers listed above as Level 3 will automatically route to the nearest DNS server operated by Level 3 Communications, the company that provides most of the ISPs in the US their access to the internet backbone.

Google Public DNS Server. This is one of the fastest DNS servers which many users are using on … What is a DNS server? - Quora Jul 12, 2016

Public DNS - YouTube

DNS - Cradlepoint