Microsoft has announced Office 365 Exchange Online is going to support DNSSEC and DANE:
https://techcommunity.microsoft.com/t5/exchange-team-blog/support-of-dane-and-dnssec-in-office-365-exchange-online/ba-p/1275494
Microsoft has announced Office 365 Exchange Online is going to support DNSSEC and DANE:
https://techcommunity.microsoft.com/t5/exchange-team-blog/support-of-dane-and-dnssec-in-office-365-exchange-online/ba-p/1275494