Subj : Re: DNS Nodelist available for fsxnet
To   : deon
From : Digital Man
Date : Mon Nov 13 2023 08:06 pm

  Re: Re: DNS Nodelist available for fsxnet
  By: deon to Zip on Mon Nov 13 2023 08:10 am

 >   Re: Re: DNS Nodelist available for fsxnet
 >   By: Zip to deon on Sat Nov 11 2023 03:25 pm
 >
 > Howdy,
 >
 >  >  de> Although you have mentioned server 83.255.255.1, I actually have an
 >  >  de> IP block on 83.255.224.0/24 (perhaps 255.1 uses?). When I enabled
 >  >  de> the DNS queries, several servers in this block were hammering
 >  >  de> clrghouz - 10+ queries a second, and to the same records (so not
 >  >  de> honouring the TTL).
 >
 >  > Yep! That netblock belongs to Tele2, one of the major ISPs here in Sweden
 >  > (who in recent years acquired a company called ComHem, one of the major
 >  > players in residential broadband here).
 >
 > So I updated clrghouz yesterday as per RFC2308 and included an SOA record
 > with negative hits. This has reduced the queries dramaticaly coming from
 > this net block, so I wont re-enable the block. (Since I have a TTL of 1 day,
 > hopefully those server errors on queries should be gone now.)
 >
 > I'm still getting queries every minute or so for 21:1/1, 21:1/2 and 21:1/3.
 >
 > [2023-11-13 07:55:37] production.INFO: PD-:= DNS Query from
 > [::ffff:83.255.224.43] for [_binkp._tcp.f1.n1.z21.fsxnet.nz] {"pid":1690}
 > [2023-11-13 07:56:56] production.INFO: PD-:= DNS Query from
 > [::ffff:83.255.224.35] for [_binkp._tcp.f3.n1.z21.fsxnet.nz] {"pid":1692}
 > [2023-11-13 07:56:58] production.INFO: PD-:= DNS Query from
 > [::ffff:83.255.224.35] for [_binkp._tcp.f3.n1.z21.fsxnet.nz] {"pid":1693}
 >
 > I'm curious (only because you mentioned you use a DNS server in the
 > 83.255/16 block) - do you have something trying to talk to those hosts?
 > Those servers are querying for those FTNs quite often (and they dont exist).

It appears BIND doesn't like your nameserver configuration:

2023-11-13T11:28:13.722844-08:00 git named[897]: skipping nameserver 'clrghouz.bbs.dege.au' because it is a CNAME, while resolving 'f183.n1.z21.fsxnet.nz/TXT'

https://serverfault.com/questions/822241/bind-recursive-not-resolving-some-domains
-- 
                                            digital man (rob)

Rush quote #41:
Angels and demons dancing in my head, lunatics and monsters underneath my bed
Norco, CA WX: 63.0øF, 37.0% humidity, 0 mph ENE wind, 0.00 inches rain/24hrs

.