[dns-operations] A lot of CNAME queries for domain ?

Mohamed Lrhazi ml623 at georgetown.edu
Thu Jul 5 17:33:00 UTC 2012


Just to be sure.. I mean to ask about CNAME queries to my domain itself,
not names underneath.

Looking at logs of one of our three DNS servers... at 15 minute sample....
20% of the queries are of type CNAME, 99.9% of those are for our domain
name...

Weird, right?

Thanks a lot,
Mohamed.

On Thu, Jul 5, 2012 at 1:23 PM, Tony Finch <dot at dotat.at> wrote:

> Mohamed Lrhazi <ml623 at georgetown.edu> wrote:
>
> > I am just curious what applications out there would be generating such
> queries...
>
> Most of the CNAME queries in my logs are from dnsviz2.ca.sandia.gov. But I
> don't have what I'd call a lot of them.
>
> 38321 A
> 15304 MX
> 11130 NS
> 10712 AAAA
>  5904 DNSKEY
>  1339 TXT
>  1171 SOA
>   583 ANY
>   157 SPF
>    53 CNAME
>    12 IXFR
>     9 RRSIG
>     6 NAPTR
>     4 AXFR
>     1 PTR
>     1 A6
>
> Tony.
> --
> f.anthony.n.finch  <dot at dotat.at>  http://dotat.at/
> Northwest Fair Isle, Faeroes: Northeasterly 5 or 6. Moderate, occasionally
> rough later. Rain or showers, fog patches. Moderate, occasionally very
> poor.
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