[outages] Network Solutions DNS not resolving on Comcast or CenturyLink networks

Stephane Bortzmeyer bortzmeyer at nic.fr
Mon Nov 24 05:50:58 EST 2014


On Mon, Nov 24, 2014 at 10:09:14AM +0000,
 Dylan Ebner via Outages <outages at outages.org> wrote 
 a message of 537 lines which said:

> networksolutions.com also does not resolve on comcast or CL dns
> servers. It does resolve on google dns servers but it is not
> accessable.

This domain name has three name servers but all of them have the same
IP address!

% check-soa -i networksolutions.com
ns1.netsol.com.
	209.17.114.135: OK: 2014103001 (19 ms)
ns2.netsol.com.
	209.17.114.135: OK: 2014103001 (20 ms)
ns3.netsol.com.
	209.17.114.135: OK: 2014103001 (20 ms)

So, any IP problem (routing, filtering, whatever) will take them down
at the same time. 

What to add? It is Network Solutions. The gods themselves cannot make
them professionnal.

> COMCAST DNS SERVERS: DOES NOT WORK
> > server 75.75.76.76
> Default Server:  cdns02.comcast.net<http://cdns02.comcast.net/>
> Address:  75.75.76.76

By the way, nslookup is a poor DNS debugging tool.
 



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