DNS report for zone “xn--hbk211m.net”
Hostmaster for zone xn--hbk211m.net is: hostmaster@interq.or.jpIP settings (as seen from mldns02.interq.or.jp)
info
You have 2 nameservers.
info
You have nameservers in several C-Nets, that's good!
Mail settings (as seen from mldns02.interq.or.jp)
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 “mldns01.interq.or.jp” [210.157.0.9]
info
mldns01.interq.or.jp is running the latest version of the zone(2002121001).
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 2002-12-10, and has been updated 2 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 5 minutes is good.
info
Your SOA retry value of 5 minutes is good.
warn
A SOA expiry value of 3600000 is quite high. You should consider lowering this to a value inbetween 2 and 4 weeks. This value defines for how long the zone should be valid when the slaves are unable to reach the master.
Zone as seen from “mldns02.interq.or.jp” [210.172.128.9]
info
mldns02.interq.or.jp is running the latest version of the zone(2002121001).
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 2002-12-10, and has been updated 2 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 5 minutes is good.
info
Your SOA retry value of 5 minutes is good.
warn
A SOA expiry value of 3600000 is quite high. You should consider lowering this to a value inbetween 2 and 4 weeks. This value defines for how long the zone should be valid when the slaves are unable to reach the master.
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