3 ms·
If the dns lookup on a com1000 domain fails, the email won’t go anywhere.
by loopdoend 6y ago
If the dns lookup on a com1000 domain fails, the email won’t go anywhere.
- thanksforfish 6y agoCorrect. But if a DNS response for that domain is spoofed. It will. DNS is a very old protocol that still has lots of problems and mitigations like DNSSEC are only partially deployed.