DKIM Checker

DKIM records are published per selector — a short name your email provider chooses, unique to how they sign your mail. If you know your selector, enter it below. If not, leave it blank and we'll try several common ones.

What is DKIM?

DKIM (DomainKeys Identified Mail) attaches a digital signature to outgoing messages, letting receiving servers verify the message wasn't altered in transit and genuinely came from your domain. See our full SPF, DKIM & DMARC explainer.