DNS report for zone “airconsulting.biz”
Hostmaster for zone airconsulting.biz is: admin@dns2go.comIP settings (as seen from dnsr02.dns2go.com)
info
You have 3 nameservers.
info
You have nameservers in several C-Nets, that's good!
Mail settings (as seen from dnsr02.dns2go.com)
info
You have 3 mailservers.
Zone as seen from “ns1.dns2go.com” [67.217.38.34]
info
ns1.dns2go.com is running the latest version of the zone(2007061556).
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 2007-06-15, and has been updated 57 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.
warn
SOA Refresh value of 30 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.
warn
A SOA retry value of 60 is too frequent. We propose you increase this to at least 120 seconds.
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.
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 “ns2.dns2go.com” [67.217.34.232]
info
ns2.dns2go.com is running the latest version of the zone(2007061556).
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 2007-06-15, and has been updated 57 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.
warn
SOA Refresh value of 30 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.
warn
A SOA retry value of 60 is too frequent. We propose you increase this to at least 120 seconds.
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.
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 “ns5.dns2go.com” [67.217.38.38]
info
ns5.dns2go.com is running the latest version of the zone(2007061556).
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 2007-06-15, and has been updated 57 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.
warn
SOA Refresh value of 30 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.
warn
A SOA retry value of 60 is too frequent. We propose you increase this to at least 120 seconds.
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.
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 “dnsr02.dns2go.com” [192.168.200.15]
error
Host is down!