DNS report for zone “foursquare.info”
Hostmaster for zone foursquare.info is:IP settings (as seen from ns54.worldnic.com)
error
You have less than 2 nameservers. You need to have at least 2 nameservers!
warn
All of your nameservers resides in the same C-Net, this makes it very likely that they will be affected by the same outages. You should consider getting a secondary nameserver hosted somewhere else.
Mail settings (as seen from ns54.worldnic.com)
Zone as seen from “ns53.worldnic.com” [205.178.190.27]
error
Host is responding with status SERVFAIL (Server Failure)!
Zone as seen from “ns54.worldnic.com” [205.178.144.27]
error
Host is responding with status SERVFAIL (Server Failure)!