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

kerio.omg.de · 109.239.196.69:443

Verified

Certificate chain, hostname and dates verified using this server’s CA store.

Subject
CN=*.omg.de
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=RapidSSL TLS RSA CA G1
Valid from
2026-02-10T00:00:00+00:00
Expires
2027-03-13T23:59:59+00:00
Days remaining
127
Serial (hex)
032602E01AF6A3BAE72CA1EBA3613961
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.omg.de, DNS:omg.de

SHA-256 fingerprint

4A:56:69:9E:9B:40:75:EC:33:E8:51:05:FE:FC:C1:2A:B0:B9:BF:76:4C:96:3C:1E:3C:EB:9A:A4:5D:45:0E:C1
Certificate extensions & PEM
authorityKeyIdentifier
0C:DB:6C:82:49:0F:4A:67:0A:B8:14:EE:7A:C4:48:52:88:EB:56:38
subjectKeyIdentifier
0A:A8:59:71:5F:45:87:F9:2E:73:B3:05:AA:63:FF:44:73:67:3F:D9
subjectAltName
DNS:*.omg.de, DNS:omg.de
certificatePolicies
Policy: 2.23.140.1.2.1 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://cdp.rapidssl.com/RapidSSLTLSRSACAG1.crl
authorityInfoAccess
OCSP - URI:http://status.rapidssl.com CA Issuers - URI:http://cacerts.rapidssl.com/RapidSSLTLSRSACAG1.crt
basicConstraints
CA:FALSE
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F: AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26 Timestamp : Feb 10 12:11:45.213 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:2F:BE:FA:0F:E8:D4:5B:9C:83:FB:FA:B7: 04:A7:A5:BD:2B:69:50:64:8B:4C:FD:9C:EA:75:92:DD: BC:5E:D5:87:02:20:3C:0E:EF:EB:84:47:81:91:5B:57: 6F:2B:6B:FE:02:91:33:DC:00:C9:80:E9:E7:AC:90:77: 25:4D:AD:7E:EF:A1 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 1C:9F:68:2C:E9:FA:F0:45:69:50:F8:1B:96:8A:87:DD: DB:32:10:D8:4C:E6:C8:B2:E3:82:52:4A:C4:CF:59:9F Timestamp : Feb 10 12:11:45.218 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:BB:54:67:2F:FF:0A:BC:18:E0:C8:2F: CA:53:40:99:08:6D:2F:AF:89:58:0A:F2:DE:CF:12:EA: AE:50:3F:95:3B:02:20:2F:51:2D:86:71:9A:0A:6C:53: A6:BA:6A:F8:B0:74:46:C9:B4:C3:31:16:08:27:93:A2: 8A:3C:A5:C7:A5:0C:90 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 60:4C:9A:AF:7A:7F:77:5F:01:D4:06:FC:92:0D:C8:99: EB:0B:1C:7D:F8:C9:52:1B:FA:FA:17:77:3B:97:8B:C9 Timestamp : Feb 10 12:11:45.436 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:A2:13:ED:8F:71:43:79:E0:FB:56:FD: F5:54:08:E9:C5:19:01:4B:54:7E:7F:C2:79:1B:88:D4: 55:D6:40:E0:5E:02:20:36:2D:51:6D:E5:BE:9C:E1:53: 5D:B0:59:F7:7A:99:D4:C5:93:8B:29:0A:F0:1A:73:91: 2A:BE:56:4F:77:37:9E
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-06T00:18:21+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=RapidSSL TLS RSA CA G1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2017-11-02T12:24:33+00:00
Expires
2027-11-02T12:24:33+00:00
Days remaining
361
Serial (hex)
0B259422CED9812A15A04E99528A0EFA
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

44:22:E9:63:EE:53:CD:58:CC:9F:85:CD:40:BF:5F:FE:C0:09:5F:DF:1A:15:45:35:66:1C:1C:06:BC:AD:C6:9B
Certificate extensions & PEM
subjectKeyIdentifier
0C:DB:6C:82:49:0F:4A:67:0A:B8:14:EE:7A:C4:48:52:88:EB:56:38
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: 2.16.840.1.114412.1.1 CPS: https://www.digicert.com/CPS Policy: 2.16.840.1.114412.1.2 Policy: 2.23.140.1.2.1 Policy: 2.23.140.1.2.2
-----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

Registration / WHOIS →DNS records →