DNS report for zone spainhotel.pl
Hostmaster for zone spainhotel.pl is:IP settings (as seen from ns2.nazwa.pl)
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 ns2.nazwa.pl)
Zone as seen from ns1.nazwa.pl [85.128.128.10]
error
Host is responding with status SERVFAIL (Server Failure)!
Zone as seen from ns2.nazwa.pl [85.128.129.10]
error
Host is responding with status SERVFAIL (Server Failure)!