DNS report for zone “xn--hz2b27s.net”
Hostmaster for zone xn--hz2b27s.net is: rx1@ktdom.comIP settings (as seen from kns6.ktdom.com)
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 kns6.ktdom.com)
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 “kns5.ktdom.com” [210.205.11.135]
info
kns5.ktdom.com is running the latest version of the zone(2009101309).
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 2009-10-13, and has been updated 10 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.
warn
SOA Refresh value of 600 is too low. RFC1912 suggests it should be between 1200 and 43200 seconds. This sets how often slaves should refresh the zone from the master.
info
Your SOA retry value of 120 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.
warn
A minimum TTL (Time To Live) of 300 is too low. RFC2308 recommends a minimum TTL between 1-3 hours.
Zone as seen from “kns6.ktdom.com” [210.205.11.136]
error
Host is not authorative!