# Infra security check tools

## DKIM/DMARC check

1. <https://easydmarc.com/tools/dkim-lookup>
2. <https://dmarcly.com/tools/dkim-record-checker>
3. <https://mxtoolbox.com/dkim.aspx>

## SSL ciphers check

Use <https://cryptcheck.fr/>

## SSL certificate registrations

Use <https://crt.sh>

## Security Headers

Use <https://securityheaders.com/>

## TLS versions check

Use <https://www.ssllabs.com/ssltest/>