DNS report for zone “rhfelger.no”
Hostmaster for zone rhfelger.no is: hostmaster@netthus.noIP settings (as seen from nn.netthus.no)
info
You have 2 nameservers.
info
You have nameservers in several C-Nets, that's good!
Mail settings (as seen from nn.netthus.no)
warn
You have only 1 mailserver. Consider getting a backup one!
Zone as seen from “dns.netthus.no” [195.204.78.16]
info
dns.netthus.no is running the latest version of the zone(13).
warn
We recommend that you keep your SOA in YYYYMMDDxx-format.
info
This nameserver does not allow zone transfers.
error
Your nameserver supports recursion. This is really bad to have activated on public nameservers since they can then be used for amplification of Denial Of Service attacks! You can find more information about it here: http://www.us-cert.gov/reading_room/DNS-recursion033006.pdf
info
Your nameserver responds to queries via TCP.
info
Your nameserver responds authorative for the zone.
info
Your SOA refresh value of 10 minutes is good.
info
Your SOA retry value of 10 minutes is good.
warn
A SOA expiry value of 86400 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.
Zone as seen from “nn.netthus.no” [195.204.78.13]
info
nn.netthus.no is running the latest version of the zone(13).
warn
We recommend that you keep your SOA in YYYYMMDDxx-format.
info
This nameserver does not allow zone transfers.
error
Your nameserver supports recursion. This is really bad to have activated on public nameservers since they can then be used for amplification of Denial Of Service attacks! You can find more information about it here: http://www.us-cert.gov/reading_room/DNS-recursion033006.pdf
info
Your nameserver responds to queries via TCP.
info
Your nameserver responds authorative for the zone.
info
Your SOA refresh value of 10 minutes is good.
info
Your SOA retry value of 10 minutes is good.
warn
A SOA expiry value of 86400 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.