How this tool works
DKIM checks focus on selector-based TXT records under selector._domainkey. The tool helps inspect public key material, record syntax, and selector alignment so you can confirm whether mail signing can be verified by receivers.
Email Security
DKIM Lookup
Query DKIM TXT records at selector._domainkey.domain.
What is DKIM Lookup for?
Looks up a DKIM public key by selector to help verify email signing configuration for a domain. The output is organized for quick review, copying, and cross-checking with nearby tools in the Email Security group.
Part of this tool group
Open nearby tools in the same group to cross-check, inspect deeper, or complete a small workflow.
Open Email Security hubFrequently asked questions
When should I use DKIM Lookup?
Looks up a DKIM public key by selector to help verify email signing configuration for a domain. Use it when you need a quick, readable result before cross-checking with production data or related tools in the Email Security group.
Should I verify the result before applying changes?
Yes. Treat the output as an operational aid: review the source input, compare it with authoritative systems, and test changes in the correct environment before rollout.
