DNSSEC and Mail

Kavindu Dayananda 76 Reputation points
2021-10-12T13:11:34.577+00:00

Hi,

We have a Exchange hybrid setup in our environment. Will there be any issues or anything that we should consider of, before we activate DNSSEC for our mail/public domain?

Thanks.

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,348 questions
Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
1,886 questions

2 answers

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  1. Andy David - MVP 141.6K Reputation points MVP
    2021-10-12T13:48:25.84+00:00

    Well, its technically not supported in Exchange Online yet:
    https://techcommunity.microsoft.com/t5/exchange-team-blog/support-of-dane-and-dnssec-in-office-365-exchange-online/ba-p/1275494

    You can verify that your hybrid connector supports EDNS which is required for DNSSEC:
    https://testconnectivity.microsoft.com/tests/O365ResolveSmarthost/input

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  2. KyleXu-MSFT 26,211 Reputation points
    2021-11-01T01:26:00.377+00:00

    @Kavindu Dayananda

    They are in development now, we could monitor this Microsoft 365 roadmap, if this function launched, we will could know from it.
    145332-qa-kyle-09-22-18.png

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