Q & A Security · September 11, 2026

Do I need DNSSEC to use DANE?

Yes — mandatory. Without a validated DNSSEC chain of trust from the root down to your zone, TLSA records can be spoofed by any on-path attacker, defeating the entire point. If your registrar or DNS provider doesn’t support DNSSEC, you can’t deploy DANE — use MTA-STS instead.

Read the full guide

What Is DANE? TLSA Records and DNS-Anchored TLS Explained

DANE pins your TLS certificate in DNS. If DNSSEC is signed, and the TLSA record matches the cert your service presents, receivers can trust the connection without depending only on public certificate authorities. It's the most-adopted alternative to CA-based PKI — but it lives mostly in SMTP.