DNS report for zone “sinseiren.org”
Hostmaster for zone sinseiren.org is: hostmaster@wh2.ocn.ne.jpIP settings (as seen from ns30b.wh2.ocn.ne.jp)
info
You have 2 nameservers.
info
You have nameservers in several C-Nets, that's good!
Mail settings (as seen from ns30b.wh2.ocn.ne.jp)
warn
You have only 1 mailserver. Consider getting a backup one!
Zone as seen from “ns30a.wh2.ocn.ne.jp” [220.111.41.194]
info
ns30a.wh2.ocn.ne.jp is running the latest version of the zone(2008120417).
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 2008-12-04, and has been updated 18 times on that day.
info
This nameserver does not allow zone transfers.
info
This nameserver does not support recursion, which is good. Public nameservers should never support recursion.
info
Your nameserver responds to queries via TCP.
info
Your nameserver responds authorative for the zone.
info
Your SOA refresh value of 60 minutes is good.
info
Your SOA retry value of 60 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 86400 is quite high. RFC2308 recommends a minimum TTL between 1-3 hours.
Zone as seen from “ns30b.wh2.ocn.ne.jp” [220.111.41.226]
info
ns30b.wh2.ocn.ne.jp is running the latest version of the zone(2008120417).
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 2008-12-04, and has been updated 18 times on that day.
info
This nameserver does not allow zone transfers.
info
This nameserver does not support recursion, which is good. Public nameservers should never support recursion.
info
Your nameserver responds to queries via TCP.
info
Your nameserver responds authorative for the zone.
info
Your SOA refresh value of 60 minutes is good.
info
Your SOA retry value of 60 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 86400 is quite high. RFC2308 recommends a minimum TTL between 1-3 hours.