raiffeisen-esafe.at has no AAAA records.
Apex domains cannot have CNAME records.
Microsoft
Domain verification
MS=ms87681323
byhwbtmfgvkrmrj1hyfyk2f5gx60yb9m
v=DMARC1; p=none; rua=mailto:[email protected]
Zone apex
Start of authority
Email
Serial
653573146
Refresh
3h
Retry
1h
Expire
14d
Negative cache TTL
1d