[dns-operations] Oddball DNS servers for tplinkdns.com

Viktor Dukhovni ietf-dane at dukhovni.org
Fri Mar 30 18:13:10 UTC 2018

The domain is delegated from .com, but has no NS or SOA records at the zone apex:


It does serve records for what look like customer devices:

   aghering.tplinkdns.com. IN A

However, it also returns the same (length 4 IPv4 address) RData
when asked for AAAA records:

  $ unbound-host -t aaaa aghering.tplinkdns.com 
  aghering.tplinkdns.com has IPv6 address \# 4 5356F1C5

This looks like a DNS implementation that cuts a few too many corners...


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