SSL/TLS Certificate Lookup

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SSL/TLS Certificate for netcitadel.com

Valid
Issued by (CA)
Sectigo Limited
Subject
www.proofpoint.com
Valid from
Jun 15, 2026
Valid until
Dec 27, 2026 (159 days remaining)
Public key
RSA 2048-bit
Serial
3D9A82431F4E9B72E8F6E05F7DB400CA
SHA-256 fingerprint
BB:57:03:F8:56:C0:CE:CF:93:50:39:BC:A9:1E:79:A9:49:48:7A:E5:AF:C9:03:84:DC:53:B9:B5:6A:F0:75:07
Chain
Sectigo Public Server Authentication CA OV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (59)
abaca.com, blog.proofpoint.com, brand.proofpoint.com, dev11.proofpoint.com, emergingthreats.net, emergingthreatspro.com, essentials.proofpoint.com, fortiva.com, insiderthreatmanagement.com, ipcheck.proofpoint.com, ipchecktest.proofpoint.com, jira.proofpoint.com, mobiledefense.proofpoint.com, netcitadel.com, nexgate.com, proofpoint.co.jp, proofpoint.co.uk, proofpoint.com, proofpoint.com.au, proofpoint.com.br, proofpoint.com.es, proofpoint.de, proofpoint.es, proofpoint.fr, proofpoint.it, proofpoint.jp, proofpoint.mx, proofpoint.uk, proofpoint.uk.com, proofpointessentials.com, proofpointprotect.proofpoint.com, sendmail.com, sigaba.com, stopemailfraud.proofpoint.com, translate.proofpoint.com, wiki.proofpoint.com, www.abaca.com, www.emergingthreats.net, www.emergingthreatspro.com, www.fortiva.com, www.netcitadel.com, www.nexgate.com, www.proofpoint.co.jp, www.proofpoint.co.uk, www.proofpoint.com, www.proofpoint.com.au, www.proofpoint.com.br, www.proofpoint.com.es, www.proofpoint.de, www.proofpoint.es, www.proofpoint.fr, www.proofpoint.it, www.proofpoint.jp, www.proofpoint.mx, www.proofpoint.uk, www.proofpoint.uk.com, www.proofpointessentials.com, www.sendmail.com, www.sigaba.com

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.