DNS, DKIM, DMARC, Lookup and Test Tools

Whats my DNS

• https://www.whatsmydns.net/

DNS Watch

• https://www.dnswatch.info/

DKIM Core

• https://dkimcore.org/tools/

DNS Propagation

• https://viewdns.info/propagation/

EASY DMARC

• https://easydmarc.com/tools/dmarc-lookup