db.domainsurvey.isc.org 204.152.184.104 queries

[David A. Evans]

        I'm moving the authoritative servers for some of my V4 reverse 
zones and have noticed 204.152.184.104 querying me for 
180.x.x.x.in-addr.arpa over and over again.   Any given /24 combination 
gets several queries per day for the 180 IP.   Across my class B's its 
generating thousands queries per day which is not a big deal, but it 
continues to query the old severs for days after the TTL's on the 
delegation has expired.  Hence the reason it stuck out and I started 
looking at it.

        I could only find sales email addresses listed for the "ISC Domain 
Survey" data so I decided to try here.   Its not breaking anything, I just 
found it ironic that ISC's data mining was not honoring the TTL's in the 
reverse zone delegations.   Also, I found it annoying that they were 
asking for the same reverse tens to hundreds of times over the course of 
several days.


David Evans
Enterprise IP/DNS Management
Network Infrastructure Tools and Services
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