[dns-operations] problem reverse dns resolve 212.186.228.42

[Phil Regnauld]

Jeroen Massar (jeroen) writes:
> dig +trace -x 212.186.228.42
> [...]
> 
> 228.186.212.in-addr.arpa. 86400	IN	NS	chans01.chello.fr.
> 228.186.212.in-addr.arpa. 86400	IN	NS	chans00.chello.fr.
> ;; Received 98 bytes from 193.0.0.193#53(193.0.0.193) in 417 ms
> 
> ;; connection timed out; no servers could be reached
> 
> There is your answer as those don't answer

	Also looks to me like the NSset for 186.212.in-addr.arpa
	just changed from 

		NS	chans01.chello.fr.
		NS	chans00.chello.fr.

	to

		NS	ns.ripe.net.
		NS	ns2.chello.at.
		NS	ns3.chello.at.

	Which is why it started working.