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THE CERTIFICATE BEHIND THE CONNECTION

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

SSL certificate

TLSv1.2

omc.net · 212.77.227.81:443

Verified

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

Subject
jurisdictionC=DE jurisdictionST=Schleswig-Holstein jurisdictionL=Pinneberg businessCategory=Private Organization serialNumber=HRB 4445 PI C=DE L=Quickborn O=OMCnet Internet Service GmbH CN=www.omc.net
Issuer
C=US O=DigiCert Inc CN=GeoTrust EV RSA CA G2
Valid from
2026-01-27T00:00:00+00:00
Expires
2027-02-10T23:59:59+00:00
Days remaining
130
Serial (hex)
044FFEC700E14FCC59C12FCC992A0787
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:www.omc.net, DNS:omc.net, DNS:webmail.omc.net, DNS:dcp.omc.net, DNS:ocp.omc.net

SHA-256 fingerprint

6D:4F:6C:1C:19:BD:65:10:FB:E6:81:6E:44:5F:AA:E7:60:9C:96:BB:52:E1:5D:6F:B7:7E:38:38:F6:35:2F:34
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
8A:7C:B2:F9:9E:F8:CD:C4:D9:C5:6D:DE:ED:C9:0F:33:4C:C7:D5:4D
subjectAltName
DNS:www.omc.net, DNS:omc.net, DNS:webmail.omc.net, DNS:dcp.omc.net, DNS:ocp.omc.net
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 : 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 : Jan 27 10:15:20.719 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:EC:DC:DE:BB:8A:6F:7C:F7:8B:27:AB: 0D:95:A1:79:10:05:7A:4B:BF:B3:2A:4A:09:93:AB:32: 38:86:89:60:AC:02:21:00:BB:CF:D8:3C:AE:64:95:77: 3F:18:62:F0:A0:28:ED:11:45:39:BC:F8:B6:4D:BA:58: 8D:67:B2:F9:41:35:B9:6D 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 : Jan 27 10:15:20.724 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:58:0A:38:7F:F1:F7:BA:9E:E8:29:BE:04: 2C:DC:62:2F:DA:18:76:C0:45:8D:E8:FD:16:8B:2C:3B: DE:DB:0E:AC:02:20:2C:D0:02:48:5B:AE:37:E2:92:7E: 44:F1:84:4D:AD:F7:D7:A3:4A:7D:2C:13:EC:C8:28:12: 53:A7:89:A8:6D:59 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 : Jan 27 10:15:20.862 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:7F:18:F7:86:44:34:D4:59:E8:DC:C4:8B: F9:22:C2:8A:7F:67:A1:89:18:71:1E:4F:38:25:2C:18: 42:93:94:DF:02:20:6A:FA:76:B7:A0:18:D9:1F:F1:95: B8:91:49:39:46:4B:7D:D1:4E:2D:3F:30:A0:B4:96:F3: D0:DD:40:FF:5E:F4
-----BEGIN CERTIFICATE-----
MIIINjCCBx6gAwIBAgIQBE/+xwDhT8xZwS/MmSoHhzANBgkqhkiG9w0BAQsFADBE
MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMR4wHAYDVQQDExVH
ZW9UcnVzdCBFViBSU0EgQ0EgRzIwHhcNMjYwMTI3MDAwMDAwWhcNMjcwMjEwMjM1
OTU5WjCB6TETMBEGCysGAQQBgjc8AgEDEwJERTEjMCEGCysGAQQBgjc8AgECExJT
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GwYDVQQPDBRQcml2YXRlIE9yZ2FuaXphdGlvbjEUMBIGA1UEBRMLSFJCIDQ0NDUg
UEkxCzAJBgNVBAYTAkRFMRIwEAYDVQQHEwlRdWlja2Jvcm4xJTAjBgNVBAoTHE9N
Q25ldCBJbnRlcm5ldCBTZXJ2aWNlIEdtYkgxFDASBgNVBAMTC3d3dy5vbWMubmV0
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA2j08KfKxTRqm5B00dN2O
iQzuibc3WKiW71QUHBsVqLnxaefwuL3nvoWDBNQ3+DG7YQBLzNF2dvsY+xN7B3Lb
7DBtYutXk+//LUM9Kf0boLjnaNAgi3ELQqhXHtaZOrUvIwU+sxJjwpQA/B+TJY6b
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9L51zMBgXX2gJNwrhLp2yKzKVrG8i9TsDxLAEPWPkpV15QpzTEnzj3bLDta4LE6q
qN6DEAwkFt2AQAmETtvh9lyr1ooKGdClSfgbcXQrLj6+CDHuq4xSsNOQtUZUY1F9
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ZXJ0cy5kaWdpY2VydC5jb20vR2VvVHJ1c3RFVlJTQUNBRzIuY3J0MAwGA1UdEwEB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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-GCM-SHA384 · Checked 2026-10-03T06:13:54+00:00

Server-presented chain · 1 additional certificate

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
1368
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-----
MIIFPDCCBCSgAwIBAgIQDWASYsinchpuqwNh5WGVgDANBgkqhkiG9w0BAQsFADBh
MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3
d3cuZGlnaWNlcnQuY29tMSAwHgYDVQQDExdEaWdpQ2VydCBHbG9iYWwgUm9vdCBH
MjAeFw0yMDA3MDIxMjQyNTdaFw0zMDA3MDIxMjQyNTdaMEQxCzAJBgNVBAYTAlVT
MRUwEwYDVQQKEwxEaWdpQ2VydCBJbmMxHjAcBgNVBAMTFUdlb1RydXN0IEVWIFJT
QSBDQSBHMjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANDSvFMMGIOI
D2N+rpyaGTPfyItp3atCyimRJCPtAakU984EB19Zugrb82ui0iy0zLKMDrOuN+Ku
H6jF4F4ZCoHjN7tFdMtSsCUAbrpFVO/5BLY+VTIg7YUN5LwRHUb2QVSGwKyIeYS+
SqPV8mzTMkG9GnWjG1IQT0F1+Xu7+uAGRFVnIdYCSBgl7iG4qOWZjcPKnW+3OJRO
dZtwGE39E7WoasoW8Nvpu5FFp2WIsvY6B/0whr3w+xKeBYb2WNKI1ZXvk4y+AmUa
BdRTY0HPBZ4+6Ipcq2Rl+QLQXQuGXH95YujYNYpbnV7ASU5/dVmqVPY0LHnp2sNK
IN65/n+DbcsCAwEAAaOCAgswggIHMB0GA1UdDgQWBBQo0s/uCYR13bWytb881aDG
c4hdHzAfBgNVHSMEGDAWgBROIlQgGJXm427mD/r6uRLtBhePOTAOBgNVHQ8BAf8E
BAMCAYYwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMBIGA1UdEwEB/wQI
MAYBAf8CAQAwNAYIKwYBBQUHAQEEKDAmMCQGCCsGAQUFBzABhhhodHRwOi8vb2Nz
cC5kaWdpY2VydC5jb20wewYDVR0fBHQwcjA3oDWgM4YxaHR0cDovL2NybDMuZGln
aWNlcnQuY29tL0RpZ2lDZXJ0R2xvYmFsUm9vdEcyLmNybDA3oDWgM4YxaHR0cDov
L2NybDQuZGlnaWNlcnQuY29tL0RpZ2lDZXJ0R2xvYmFsUm9vdEcyLmNybDCBzgYD
VR0gBIHGMIHDMIHABgRVHSAAMIG3MCgGCCsGAQUFBwIBFhxodHRwczovL3d3dy5k
aWdpY2VydC5jb20vQ1BTMIGKBggrBgEFBQcCAjB+DHxBbnkgdXNlIG9mIHRoaXMg
Q2VydGlmaWNhdGUgY29uc3RpdHV0ZXMgYWNjZXB0YW5jZSBvZiB0aGUgUmVseWlu
ZyBQYXJ0eSBBZ3JlZW1lbnQgbG9jYXRlZCBhdCBodHRwczovL3d3dy5kaWdpY2Vy
dC5jb20vcnBhLXVhMA0GCSqGSIb3DQEBCwUAA4IBAQBVbQs8KD6qRnOf/dtOHNAy
ieoRcA1Zk3lGMLwqNfuLpTb9gDQFpvxGN/3X7i0mAEtRhN/r9fDv8oiVLn6gfpm0
UUN47vFJCzf5dqkV/N7LkMTqlhDA0Ve/GBJ3A2E5yFT7TgAGN4wJ9cCZrKbqKHVU
RatwJ+T58jmhbvtEM7t2ucB7u+Dmu4KoOTEx8LR8+qn8OyLh1VLq75vzDTsnhTN5
3AgPdMVFk6F8sjT2P2xbvAb0kAlyAtldAtpGvBzXhacmRs7rTqz/oTDwYZLkrm+q
EltdmGwUOWvFPjwucH6tS+gQgiUYiNJqijzI1jr8TZ01VGOSTW7rRUKgkN5WJqDA
-----END CERTIFICATE-----

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

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