DNS report for zone “excel-jiten-rbn.net”
Hostmaster for zone excel-jiten-rbn.net is: root@mydns.jpIP settings (as seen from ns1.mydns.jp)
info
You have 2 nameservers.
info
You have nameservers in several C-Nets, that's good!
Mail settings (as seen from ns1.mydns.jp)
warn
You have only 1 mailserver. Consider getting a backup one!
Zone as seen from “ns0.mydns.jp” [210.197.74.200]
error
ns0.mydns.jp is out of sync, it's running a version of the zone with serial 1260990911 when the newest one is 1260991082.
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 1260-09-09, and has been updated 912 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.
warn
Your nameserver doesn't respond 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 5 minutes is good.
warn
A SOA expiry value of 600 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 180 is too low. RFC2308 recommends a minimum TTL between 1-3 hours.
Zone as seen from “ns1.mydns.jp” [210.197.74.201]
info
ns1.mydns.jp is running the latest version of the zone(1260991082).
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 1260-09-09, and has been updated 1083 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.
warn
Your nameserver doesn't respond 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 5 minutes is good.
warn
A SOA expiry value of 600 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 180 is too low. RFC2308 recommends a minimum TTL between 1-3 hours.