DNS
THE CERTIFICATE BEHIND THE CONNECTION

TLS certificate checker.

Inspect SSL/TLS certificates for any public domain or subdomain.

Checks HTTPS on port 443, including subject alternative names, validity dates and the presented chain.

SSL certificate

TLSv1.2

mail.ports.net · 193.14.90.173:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate subjectAltName did not match expected name `mail.ports.net'

Certificate verification failed

Subject
C=SE L=Göteborg O=Abion AB CN=webmail.portsgroup.com
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=GeoTrust TLS RSA CA G1
Valid from
2026-06-10T00:00:00+00:00
Expires
2026-12-25T23:59:59+00:00
Days remaining
73
Serial (hex)
08840CEA80D3797F5818511F211C52F5
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:webmail.portsgroup.com, DNS:mail03.portsgroup.com, DNS:mail03.portsit.se

SHA-256 fingerprint

A0:EE:34:13:5D:31:F6:1E:42:93:D9:12:5B:33:D1:79:03:83:59:52:17:54:42:6E:7F:C2:D4:D1:03:E0:84:9A
Certificate extensions & PEM
authorityKeyIdentifier
94:4F:D4:5D:8B:E4:A4:E2:A6:80:FE:FD:D8:F9:00:EF:A3:BE:02:57
subjectKeyIdentifier
1A:96:BB:AF:D0:F4:6A:5B:51:03:7D:32:24:BF:F1:51:15:9F:C8:3B
subjectAltName
DNS:webmail.portsgroup.com, DNS:mail03.portsgroup.com, DNS:mail03.portsit.se
certificatePolicies
Policy: 2.23.140.1.2.2 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://cdp.geotrust.com/GeoTrustTLSRSACAG1.crl
authorityInfoAccess
OCSP - URI:http://status.geotrust.com CA Issuers - URI:http://cacerts.geotrust.com/GeoTrustTLSRSACAG1.crt
basicConstraints
CA:FALSE
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB: C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD Timestamp : Jun 10 09:23:36.792 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:43:02:1F:4C:B8:12:6B:D4:71:D2:3B:4C:D7:0F:B3: 9F:47:24:F1:BF:C7:B8:2B:47:BC:26:05:15:7D:F2:C4: 6B:98:F6:02:20:11:A8:31:54:94:49:4A:39:02:AE:B6: D9:3C:48:5B:CB:71:B1:1C:9B:E8:79:B3:51:A0:57:1C: BA:55:4C:65:2D Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9: 82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77 Timestamp : Jun 10 09:23:36.768 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:EE:8B:8C:2C:81:4D:61:7D:FE:3F:5F: B7:71:D6:17:9C:89:87:F7:E9:9E:42:B9:56:51:3A:65: 5A:F8:03:A4:DA:02:20:3F:83:69:C7:0C:AC:17:FB:8D: 01:00:C7:05:DA:22:4F:B0:79:E7:DE:23:1E:AE:14:2A: A7:B9:79:D0:CF:E9:58 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 94:4E:43:87:FA:EC:C1:EF:81:F3:19:24:26:A8:18:65: 01:C7:D3:5F:38:02:01:3F:72:67:7D:55:37:2E:19:D8 Timestamp : Jun 10 09:23:36.799 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:41:B7:BD:B2:CE:34:7E:6F:3D:33:D1:5A: 0F:18:03:30:1D:1F:7B:D1:36:7A:6B:67:74:10:94:43: 7C:5E:D8:2B:02:20:2D:C3:49:44:A6:D9:DE:10:BF:68: 21:DF:6A:0F:DB:88:AE:4A:AC:58:81:10:6F:6F:A8:4B: 6C:CE:F6:54:77:51
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-GCM-SHA384 · Checked 2026-10-13T09:23:18+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=GeoTrust TLS RSA CA G1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2017-11-02T12:23:37+00:00
Expires
2027-11-02T12:23:37+00:00
Days remaining
385
Serial (hex)
0D07782A133FC6F9A57296E131FFD179
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

C0:6E:30:7F:7C:FC:1D:32:FA:72:A4:C0:33:C8:7B:90:01:9A:F2:16:F0:77:5D:64:97:8A:2E:CA:6C:8A:23:0E
Certificate extensions & PEM
subjectKeyIdentifier
94:4F:D4:5D:8B:E4:A4:E2:A6:80:FE:FD:D8:F9:00:EF:A3:BE:02:57
authorityKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE, pathlen:0
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.digicert.com/CPS
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

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