DNS report for zone “osh.se”
Hostmaster for zone osh.se is: admin@wedoit.toIP settings (as seen from ns2.tnmweb.se)
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 ns2.tnmweb.se)
warn
You have only 1 mailserver. Consider getting a backup one!
Zone as seen from “ns1.tnmweb.se” [193.33.102.1]
info
ns1.tnmweb.se is running the latest version of the zone(200409092).
info
SOA serial seems to follow good standards. We recommend it to be in YYYYMMDDxx-format, which yours appear to be. This would suggest that your zone was last updated at 2004-09-09, and has been updated 3 times on that day.
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 “ns2.tnmweb.se” [193.33.102.2]
error
Host is down!