Check validity of a certificate

If you have a certificate and want to verify its validity:

certutil -f –urlfetch -verify certificate.cer

Example output:

In this example there is something wrong with the CRL in the domain and CRL Admin need to check whats going on.

With the split command you can download a CRL

certutil –split -URL <http/ldap>

Example:

certutil -split -URL ldap:///CN=,CN=,CN=CDP,CN=Public%20Key%20Services,CN=Services,CN=Configuration,DC=domain,DC=local?certificateRevocationList?base?objectClass=cRLDistributionPoint

Her is a useful link for further troubleshooting

https://techcommunity.microsoft.com/t5/core-infrastructure-and-security/basic-crl-checking-with-certutil/ba-p/1128367

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