while looking up domain of hangouts.google.com , expect not in the primary domain, but matched in fact
DEBU[2020-04-20 11:03:08] Question from 127.0.0.1: ;hangouts.google.com. IN A
DEBU[2020-04-20 11:03:08] Matched DNS=Primary domain=hangouts.google.com question=hangouts.google.com
DEBU[2020-04-20 11:03:08] Finally use Primary DNS
google related records in domain_primary:
while looking up domain of
hangouts.google.com
, expect not in the primary domain, but matched in fact