I’ve got a ticket (#7692607) open since earlier this afternoon. It looks like all email arriving at my domain is bounced by the mail server with a name service error (below), starting sometime after 0400 EDT this morning. Anybody else experiencing this issue?
Final-Recipient: rfc822; email@example.com
Diagnostic-Code: X-Postfix; Host or domain name not found. Name service error
for name=mx1.balanced.randy.mail.dreamhost.com type=AAAA: Host not found[/code]