Posts tagged: tlsa
TLSA Record Setup: Generate & Fix the 3 1 1 Hash
Generate a TLSA record with OpenSSL, publish it, then fix the common DANE 3 1 1 mismatch. Copy-paste commands plus a free TLSA record checker. Step by step.
MTA-STS vs DANE: Verdict by Scenario (2026 Data)
Only 0.3% of 5.5M domains publish MTA-STS; 0.0% publish DANE. Get the per-scenario verdict, RFC 8461 vs 7672, Microsoft's connector modes, and NIS2 fit.
DANE Email Authentication: Why 0.0% of Domains Use It
DANE binds TLS certificates to DNS via DNSSEC — but only 30 of 5.5M scanned domains use it. Inside RFC 7672, TLSA records, NIS2, and DANE vs MTA-STS.