DNS report for zone “xn--himmelbl-h0a.no”
Hostmaster for zone xn--himmelbl-h0a.no is: hostmaster@nrk.noIP settings (as seen from madns01.nrk.no)
error
You have less than 2 nameservers. You need to have at least 2 nameservers!
info
You have nameservers in several C-Nets, that's good!
Mail settings (as seen from madns01.nrk.no)
warn
You don't have any mailservers set up. This is OK if you don't use any mail for the domain.
Zone as seen from “ns.hyp.net” [194.63.248.53]
error
Host is down!
Zone as seen from “madns01.nrk.no” [160.68.119.50]
info
madns01.nrk.no is running the latest version of the zone(8).
warn
We recommend that you keep your SOA in YYYYMMDDxx-format.
info
This nameserver does not allow zone transfers.
info
This nameserver does not support recursion, which is good. Public nameservers should never support recursion.
info
Your nameserver responds to queries via TCP.
info
Your nameserver responds authorative for the zone.
info
Your SOA refresh value of 15 minutes is good.
info
Your SOA retry value of 15 minutes is good.
warn
A SOA expiry value of 604800 is too low. This value denotes for how long the zone is valid when the master is down. RFC1912 suggests it should be between 2 and 4 weeks.