[OT] dnsreport.com and utilities "behind" it?!?

Barry Margolin barmar at alum.mit.edu
Mon Feb 20 21:22:14 UTC 2006

In article <dtdbjb$1c0n$1 at sf1.isc.org>,
 Netfortius <netfortius at gmail.com> wrote:

> Does anybody know what is dnsreport.com using to go over all the checkups 
> (i.e. dig, host, nslookup, other utility), when queried for a specific domain 
> "health"? I am trying to script some checkups to be run in cron, then email 
> me results, from a remote site, so that I can make sure that my client's name 
> servers stay healthy, or that they behave properly after changes. Some things 
> are obvious (e.g. mail server query, then attempt for connection, or NS 
> records at parent, etc.), while others are somehow obscure (e.g. WARNING: 
> Your nameservers report somewhat different answers (what are those?!?) for 
> your NS records (varying TTL, for example ... OK - what others, though, if 
> the TTLs are OK?!?) --> what utility and what parameters are being passed to 
> it, to obtain the results they are providing in such an example?!?). 

My guess is it's a bunch of scripts in Perl or Python that perform DNS 
lookups and compare the results.  If it's Perl I assume he's using the 
Net::DNS module.

Barry Margolin, barmar at alum.mit.edu
Arlington, MA
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