AAA IPV6 issue in DNS MX

[user3809]

What is the name of the domain?

wilfriddocker.com.au

What is the issue you’re encountering

Customer email bouncing

What steps have you taken to resolve the issue?

The problem is that the DNS service for “wilfriddocker-com-au.mail.protection.outlook.com” advertises an IPV6 service, but the wilfriddocker.com.au (MX) response does not supply one, as it appears unassigned.

What feature, service or problem is this related to?

DNS records

[user3809]

wilfriddocker.com.au>: Host or domain name not found. Name service
error for name=wilfriddocker-com-au.mail.protection.outlook.com type=AAAA:
Host not found, try agai

[sjr]

See the same here…

IP6 MX record

What is the name of the domain? cnbcarabia.com What is the error number? Service does not accept messages sent over IPv6 [2602:f8d5:a1:1::3] What is the issue you’re encountering cant receive email over ip6 What feature, service or problem is this related to? Mail records What are the steps to reproduce the issue? How to remove IP6 MX record attached ? we have added only IP4 MX record, how we have ip6 ? as we seen many emails are resolved thru ip6 which has been rejected by MS 365. BR Scr…

[user3809]

Need to get rid of the second entry but it’s

not in my records?

[sjr]

That record is handled by Microsoft, see the link I posted for a possible solution.

[user3809]

looking for your solution?

[sjr]

If the information in the link does not work for you, you will need to contact Microsoft. This is not a Cloudflare issue.