DNS report for zone “doener-flatrate.de”
Hostmaster for zone doener-flatrate.de is: hostmaster@doener-flatrate.deIP settings (as seen from ns4.nsentry.de)
info
You have 2 nameservers.
info
You have nameservers in several C-Nets, that's good!
Mail settings (as seen from ns4.nsentry.de)
warn
You have only 1 mailserver. Consider getting a backup one!
Zone as seen from “ns3.nsentry.de” [212.162.15.6]
error
ns3.nsentry.de is out of sync, it's running a version of the zone with serial 2009122001 when the newest one is 2009122009.
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 2009-12-20, and has been updated 2 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 30 minutes is good.
info
Your SOA retry value of 30 minutes is good.
warn
A SOA expiry value of 691200 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 “ns4.nsentry.de” [213.203.243.76]
info
ns4.nsentry.de is running the latest version of the zone(2009122009).
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 2009-12-20, and has been updated 10 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 30 minutes is good.
info
Your SOA retry value of 30 minutes is good.
warn
A SOA expiry value of 691200 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.