DNS report for zone “sjappletree.net

Hostmasters for zone sjappletree.net is:   hostmaster ,   root@p1.asadal.net

IP settings (as seen from p2.asadal.net)

info
You have 2 nameservers.
info
You have nameservers in several C-Nets, that's good!

Mail settings (as seen from p2.asadal.net)

warn
You have only 1 mailserver. Consider getting a backup one!

Zone as seen from “ns.weppi.co.kr[61.100.186.64]  

error
ns.weppi.co.kr is out of sync, it's running a version of the zone with serial 3 when the newest one is 2004210204.
warn
We recommend that you keep your SOA in YYYYMMDDxx-format.
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.
warn
SOA Refresh value of 900 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 10 minutes is good.
warn
A SOA expiry value of 86400 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.

Zone as seen from “p2.asadal.net[110.45.146.24]  

info
p2.asadal.net is running the latest version of the zone(2004210204).
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 2004-02-10, and has been updated 205 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 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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