receiving mail server
Message
Signature · DKIM-Signature v=1; a=rsa-sha256; d=chronos.orbital; s=orb2026; bh=…; b=…
Signing domain · d= chronos.orbital
Selector · s= orb2026
Visible from ceo@chronos.orbital
not the identity check · signed, not matched to d=
Signature present · d=chronos.orbital
DNS · Public key TXT
Key at orb2026._domainkey.chronos.orbital
v=DKIM1; p=…
Body hash ↔ bh=
Body hash (computed) …
vs
bh= (claimed) …
Compare computed Body hash to the Signature bh= claim
DKIM
fail
DKIM
pass
Signature → DNS key → Hash → Verify
A pass is not safe. A domain is not a person.
DKIM Pass proves signature integrity for the Signing domain claim.
It does not prove author identity or payload safety.
Signing domain claim does not identify the Visible from sender
Mnemonic: Signature → DNS key → Hash → Verify
Step 1 of 8