DNS report for zone “phosphosorb.ru”
Hostmaster for zone phosphosorb.ru is: dnsmaster@megagroup.ruIP settings (as seen from ns.megagroup.ru)
info
You have 3 nameservers.
info
You have nameservers in several C-Nets, that's good!
Mail settings (as seen from ns.megagroup.ru)
info
You have 2 mailservers.
Zone as seen from “ns2.megagroup.ru” [80.93.53.154]
info
ns2.megagroup.ru is running the latest version of the zone(2006062701).
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 2006-06-27, 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.
info
Your SOA expiry value of 14 days is good.
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 “ns1.megagroup.ru” [81.222.250.253]
info
ns1.megagroup.ru is running the latest version of the zone(2006062701).
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 2006-06-27, and has been updated 2 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 30 minutes is good.
info
Your SOA retry value of 30 minutes is good.
info
Your SOA expiry value of 14 days is good.
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 “ns.megagroup.ru” [80.93.49.78]
info
ns.megagroup.ru is running the latest version of the zone(2006062701).
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 2006-06-27, 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.
info
Your SOA expiry value of 14 days is good.
warn
A minimum TTL (Time To Live) of 86400 is quite high. RFC2308 recommends a minimum TTL between 1-3 hours.