Is IP of -apps.digsigtrust.com being blocked? Web app attack abuse?

[polonus]

See: https://www.abuseipdb.com/check/192.35.177.64 (Web app attack)
See: -https://aw-snap.info/file-viewer/?protocol=not-secure&tgt=apps.digsigtrust.com&ref_sel=GSP2&ua_sel=ff&fs=1
See: Certificate is not installed correctly
-digsigtrust.com

Please contact the Certificate Authority for further verification. TrustID Server chain cetificate. Name mismatch.
You have 1 error
Wrong certificate installed.
The domain name does not match the certificate common name or SAN.
Also see errors: https://mxtoolbox.com/domain/apps.digsigtrust.com/

pol