DNS report for zone “xn--bj0bj3i97fsf172dfpsokb.net”
Hostmaster for zone xn--bj0bj3i97fsf172dfpsokb.net is: webmaster@ktdom.comIP settings (as seen from kns3.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 kns3.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 “kns.kornet.net” [168.126.63.1]
error
Host is not authorative!
Zone as seen from “kns3.ktdom.com” [210.205.11.133]
info
kns3.ktdom.com is running the latest version of the zone(2008091511).
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 2008-09-15, and has been updated 12 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 60 minutes is good.
info
Your SOA expiry value of 14 days is good.
warn
A minimum TTL (Time To Live) of 300 is too low. RFC2308 recommends a minimum TTL between 1-3 hours.