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Default DNS server IP addresses

Default DNS server IP addresses

Copper Contributor
Message 1 of 18

I was having problems tracking down the default IP addresses for the FIOS DNS servers and saw others were having the same problem. Finally got them (at least, the ones for Maryland FIOS) and figured I'd post them in case they were of use to others:


Hope this can help someone.

Silver Contributor IV
Message 2 of 18

Those are all Level 3 DNS servers.  How did you determine those are the FiOS default servers?


I don't use the default servers but if I did my Actiontec shows them to be and

Copper Contributor
Message 3 of 18

I waited for around 20 minutes for a support rep to finally show up on the live chat support Smiley Wink My question to them was, "What are the IP addresses of the default DNS servers that I should use for Prince George's County, MD?" Those were the ones they provided. 

Silver Contributor IV
Message 4 of 18

Well....Level 3 DNS servers should be ok to use but I still don't buy they're a FiOS default.


If you login to your Actiontec's interface and look at the System Monitoring page, what does it say the DNS servers are?

Copper Contributor
Message 5 of 18

Silver Contributor IV
Message 6 of 18

Those are Verizon DNS servers and I'd say they are the Verizon defaults in your area.

Platinum Contributor I
Message 7 of 18

Those are old BBN/Genuity/Level 3 DNS's which IMO ROCK.


I like those dns's better than any others personally.


The default Verizon DNS's are default by region, so a list of dns's would be pretty large.     

Copper Contributor
Message 8 of 18

Interesting. Wonder why that wasn't what they provided. Thanks for the explanation.

Silver Contributor IV
Message 9 of 18

If you want to see what DNS servers work best in your location, get GRC's DNS Benchmark utlity (free) here:


It will show you what smokes and what pokes.  Smiley Happy

Copper Contributor
Message 10 of 18

Hubrisnxs - & are the ones you prefer?


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