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

TLSv1.3

abacom.net · 195.160.230.200:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate CN=`owis.de' did not match expected CN=`abacom.net'

Certificate verification failed

Subject
jurisdictionC=DE jurisdictionST=Nordrhein-Westfalen jurisdictionL=Paderborn businessCategory=Private Organization serialNumber=HRB 8748 C=DE ST=Nordrhein-Westfalen L=Höxter O=Gronemeyer IT GmbH CN=owis.de
Issuer
C=US O=DigiCert Inc CN=GeoTrust EV RSA CA G2
Valid from
2025-11-10T00:00:00+00:00
Expires
2026-12-11T23:59:59+00:00
Days remaining
71
Serial (hex)
0614ECF9B996CBC1B1AC94A5CAC6FE87
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:owis.de, DNS:www.owis.de, DNS:prtg.owis.de, DNS:vspc.owis365.de, DNS:wsp.owis365.de, DNS:autodiscover.owis365.de, DNS:www.supportvertrag.de, DNS:www7.webconfig.info, DNS:www8.webconfig.info, DNS:www9.webconfig.info, DNS:backup.owis.de, DNS:backup.owis365.de, DNS:transfer.owis365.de, DNS:outlook.owis365.de, DNS:spam.owis365.de, DNS:mail03.owis365.de, DNS:vhilfe.de, DNS:gronemeyer-it.de, DNS:www.gronemeyer-it.de, DNS:owis365.de, DNS:www.owis365.de, DNS:samas.owis.de, DNS:samas.owis365.de, DNS:supportvertrag.de, DNS:www.vhilfe.de, DNS:mbx06.owis365.de, DNS:mbx05.owis365.de, DNS:lm.owis365.de

SHA-256 fingerprint

24:78:1D:20:1E:AC:D1:22:F1:CF:12:3C:7E:8D:8F:C9:68:E0:78:D9:F9:4F:B4:06:29:E6:71:DE:97:B1:14:8B
Certificate extensions & PEM
authorityKeyIdentifier
28:D2:CF:EE:09:84:75:DD:B5:B2:B5:BF:3C:D5:A0:C6:73:88:5D:1F
subjectKeyIdentifier
47:77:5E:48:9C:D6:6B:A6:A3:81:91:FA:B9:5D:0B:A8:40:E5:58:4D
subjectAltName
DNS:owis.de, DNS:www.owis.de, DNS:prtg.owis.de, DNS:vspc.owis365.de, DNS:wsp.owis365.de, DNS:autodiscover.owis365.de, DNS:www.supportvertrag.de, DNS:www7.webconfig.info, DNS:www8.webconfig.info, DNS:www9.webconfig.info, DNS:backup.owis.de, DNS:backup.owis365.de, DNS:transfer.owis365.de, DNS:outlook.owis365.de, DNS:spam.owis365.de, DNS:mail03.owis365.de, DNS:vhilfe.de, DNS:gronemeyer-it.de, DNS:www.gronemeyer-it.de, DNS:owis365.de, DNS:www.owis365.de, DNS:samas.owis.de, DNS:samas.owis365.de, DNS:supportvertrag.de, DNS:www.vhilfe.de, DNS:mbx06.owis365.de, DNS:mbx05.owis365.de, DNS:lm.owis365.de
certificatePolicies
Policy: 2.16.840.1.114412.2.1 Policy: 2.23.140.1.1 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/GeoTrustEVRSACAG2.crl Full Name: URI:http://crl4.digicert.com/GeoTrustEVRSACAG2.crl
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/GeoTrustEVRSACAG2.crt
basicConstraints
CA:FALSE
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D8:09:55:3B:94:4F:7A:FF:C8:16:19:6F:94:4F:85:AB: B0:F8:FC:5E:87:55:26:0F:15:D1:2E:72:BB:45:4B:14 Timestamp : Nov 10 08:39:28.281 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:0A:25:CD:AD:38:50:49:A2:91:F2:0D:CA: EC:64:7F:6B:6D:AA:83:2E:FC:E5:B6:CC:1B:52:61:C1: 08:49:27:59:02:21:00:D2:8C:F6:25:A8:47:42:BB:A1: 34:80:D1:C8:61:25:61:E7:03:BC:12:BB:9C:F3:38:8D: 2A:95:11:14:2E:C0:F9 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 : Nov 10 08:39:28.236 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:51:38:5F:0A:34:AE:9F:9D:F2:97:CD:1D: D9:E8:99:A1:BF:D2:66:EB:73:48:1E:B6:B3:9F:28:13: A6:3B:86:6D:02:21:00:86:3A:22:7D:18:30:F4:C6:0B: 01:EE:F2:59:0B:E2:FD:08:8B:1E:A9:ED:17:D6:DF:AA: BD:7E:04:59:13:38:D8 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 : Nov 10 08:39:28.270 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:49:AA:85:FE:35:DA:B8:6D:1F:D6:C5:60: 18:70:06:52:7D:19:9A:CC:20:D1:AE:AE:3C:04:13:08: F1:A2:22:F7:02:20:4D:14:0C:AA:DC:16:C4:67:32:3C: 34:A5:38:B2:AD:CE:D1:21:11:50:4A:06:22:97:E2:89: F6:7F:18:64:5A:5F
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-01T06:43:54+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=DigiCert Inc CN=GeoTrust EV RSA CA G2
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2020-07-02T12:42:57+00:00
Expires
2030-07-02T12:42:57+00:00
Days remaining
1370
Serial (hex)
0D601262C8A7721A6EAB0361E5619580
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

2D:14:0F:20:B8:A9:6E:2B:4D:2F:1C:C5:AC:A5:E5:A1:E7:DC:56:A7:49:1E:51:09:06:96:0F:38:D2:D2:1A:EF
Certificate extensions & PEM
subjectKeyIdentifier
28:D2:CF:EE:09:84:75:DD:B5:B2:B5:BF:3C:D5:A0:C6:73:88:5D:1F
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 Full Name: URI:http://crl4.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.digicert.com/CPS User Notice: Explicit Text: Any use of this Certificate constitutes acceptance of the Relying Party Agreement located at https://www.digicert.com/rpa-ua
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2013-08-01T12:00:00+00:00
Expires
2038-01-15T12:00:00+00:00
Days remaining
4124
Serial (hex)
033AF1E6A711A9A0BB2864B11D09FAE5
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

CB:3C:CB:B7:60:31:E5:E0:13:8F:8D:D3:9A:23:F9:DE:47:FF:C3:5E:43:C1:14:4C:EA:27:D4:6A:5A:B1:CB:5F
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Digital Signature, Certificate Sign, CRL Sign
subjectKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
-----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.

View certificate JSON

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