49-168-75-188-static.oba.cz has no AAAA records.
v=spf1
a mx a:smtp.fialanet.cz a:ssmtp.fialanet.cz a:admin.w-serv.eu a:vs2.oba.cz a:smtp.oba.cz ~all
Google
Domain verification
google-site-verification=Sg0lfkVvQ3DTLLmDPj1c6U7g9o_yXkyslJNHAIRW_pA
Zone apex
Start of authority
Email
Serial
2026031101
Refresh
4h
Retry
1h
Expire
30d
Negative cache TTL
1h