DNSSEC and DANE for Exchange Online: turn the mail test green
SPF, DKIM and DMARC can be green while the mail test marks DNSSEC and DANE red. Sign your own zone first, then move MX off mail.protection.outlook.com.
Knowledge hub
DNSSEC
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Overview of guides and release notes for DNSSEC. Or search the term on the whole site.
Glossary
DNSSEC DNSSEC adds digital signatures to DNS records. A resolver can use them to verify that an answer really comes from the domain's operator and was not forged in transit.
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