Hello,
one time a week I send a mail to 40 mail adresses. One of them is to freenet. This one cannot be delivered. I got this problem report:
host emig.freenet.de said: 550-Inconsistent/Missing DNS PTR record (RFC 1912 2.1)
(mail2.ecloud.global) 550 [2a01:4f9:4b:5387:d00b::2]:37152 (in reply to
RCPT TO command)
Can anybody help?
the ptr really is inconsistent. The subnet address d00b within 2a01:4f9:4b:5387::2/64 is pointing to mail.ecloud.global instead of mail2, where the first address within that /64 range is pointing. I think it’s an oversight.
Depending on product, it isn’t easy to decleare a ptr for a whole cidr. I guess I’d fix the mis pointer at :d00b::2 if its a stable address.
You can forward your mail response to postmaster@ecloud.global - very likely it directly reaches a person doing mail+dns
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