[dns-operations] Huge delay in responses from Generic top-level domains (gTLDs) servers

[Robert Story]

On Tue 2017-03-21 13:55:15+0000 Warren wrote:
> On Tue, Mar 21, 2017 at 9:27 AM Balakrishnan Nadar <
> balakrishnan.nadar at tatacommunications.com> wrote:  
> 
> > Dear All,
> >
> > We see huge delay in responses from Generic top-level domains
> > (gTLDs) from Pune, India.
> >
> > -----------------------------------------------
> > [...]
> > ;; Received 228 bytes from 10.132.9.26#53(10.132.9.26) in 14 ms
> > [...]
> > ;; Received 508 bytes from 192.228.79.201#53(192.228.79.201) in
> > 1659 ms
>
> This does not really contain enough information to assist with
> debugging.
> 
> I'm on a plane about to take off, but if you provide traceroutes to
> 192.228.79.201 (and other gtld-servers) that may help other provide
> more assistance. Also, traceroutes to other well known internet
> thingies (like some root servers perhaps)...

Yes, particularly root-servers other than B, which currently only has
a single site (in Los Angeles, California). Your resolver should be
picking a closer root server.


-- 
Robert Story <http://www.isi.edu/~rstory>
USC Information Sciences Institue <http://www.isi.edu/>