[dns-operations] version.bind survey from OARC

[David C Lawrence]

Jared Mauch writes:
> http://puck.nether.net/~jared/version.bind.results.20160402.txt

If I inder correctly, the // indicate multiple records in the
response?  If so, the "version.bind CH NS version.bind" seems to be a
notable software signature in there no matter what the CH TXT record
says.