DNS report for zone “tourismusfernsehen.de”
Hostmaster for zone tourismusfernsehen.de is: hostmaster@artfiles.deIP settings (as seen from auth1.artfiles.de)
info
You have 2 nameservers.
info
You have nameservers in several C-Nets, that's good!
Mail settings (as seen from auth1.artfiles.de)
info
You have 2 mailservers.
Zone as seen from “auth2.artfiles.de” [212.48.125.53]
info
auth2.artfiles.de is running the latest version of the zone(2006100316).
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 2006-10-03, and has been updated 17 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 240 minutes is good.
warn
A SOA retry value of 14400 is too infrequent, we propose you set this to a value inbetween 120 and 7200 seconds.
warn
A SOA expiry value of 806400 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 “auth1.artfiles.de” [212.48.124.53]
info
auth1.artfiles.de is running the latest version of the zone(2006100316).
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 2006-10-03, and has been updated 17 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 240 minutes is good.
warn
A SOA retry value of 14400 is too infrequent, we propose you set this to a value inbetween 120 and 7200 seconds.
warn
A SOA expiry value of 806400 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.