Hi @mbender
that domain doesn't have an A- or AAAA entry - https://check-your-website.server-daten.de/?q=crimsim.pl
| Host | T | IP-Address | is auth. | ∑ Queries | ∑ Timeout |
|---|---|---|---|---|---|
| crimsim.pl | Name Error | yes | 1 | 0 | |
| www.crimsim.pl | Name Error | yes | 1 | 0 |
The domain is unknown - Grade U.
Your www.crmsim.com has an ip address, perhaps add the same A entry to your pl domain.