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

omicron.online · 37.140.192.134:443

Verified

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

Subject
CN=*.omicron.online
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R6 AlphaSSL CA 2025
Valid from
2026-07-08T12:17:03+00:00
Expires
2027-01-23T12:17:03+00:00
Days remaining
88
Serial (hex)
0BB849428962AA63A4C03590
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:*.omicron.online, DNS:omicron.online

SHA-256 fingerprint

1E:16:36:3C:76:E3:EE:B7:44:94:64:03:CD:AB:32:D7:8D:AA:65:ED:F1:70:37:51:76:0B:5C:73:57:56:96:94
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsgccr6alphasslca2025.crt OCSP - URI:http://ocsp.globalsign.com/gsgccr6alphasslca2025
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.4146.10.1.3 CPS: https://www.globalsign.com/repository/
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/gsgccr6alphasslca2025.crl
subjectAltName
DNS:*.omicron.online, DNS:omicron.online
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityKeyIdentifier
C5:B4:93:8F:6F:2B:DC:1E:48:BF:B7:10:30:85:CE:D1:B2:BB:48:2D
subjectKeyIdentifier
B5:EA:D9:56:DD:9E:1E:BF:B8:85:2E:9A:5D:84:89:50:D0:5C:BA:A6
ct_precert_scts
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 : Jul 8 12:17:06.173 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:1C:48:B4:D1:8C:3F:A6:4C:33:1D:29:CE: F0:F3:0E:E1:83:91:4D:66:6A:4A:D1:DD:8B:2F:25:38: 3E:AF:45:46:02:21:00:C1:DF:16:02:FF:D1:C8:E3:03: 9E:3B:E0:2D:76:B7:CF:87:56:B4:46:8B:D1:9A:70:07: FF:AB:BD:D4:CF:44:AA 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 : Jul 8 12:17:05.973 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:CE:D3:AF:CA:18:4D:4B:7C:99:02:83: 37:1E:65:0B:5F:22:72:28:ED:5C:CB:17:23:2F:D2:20: 36:5B:76:76:D3:02:20:79:A3:97:EC:E4:4E:B1:D4:66: E5:6E:CA:FF:30:FA:4D:48:AA:1C:90:44:22:16:AC:33: 68:5D:EC:09:4A:C4:DA 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 : Jul 8 12:17:05.961 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:4C:1A:02:54:19:D0:DE:F3:35:BE:EA:C7: 13:17:7C:FC:3F:2B:A9:65:A3:47:B8:9B:FA:41:FB:D7: FD:2F:95:03:02:20:68:A4:47:A4:08:5A:F6:DE:30:92: DF:DE:1B:35:F2:09:23:26:FE:0F:A3:27:84:F8:30:4D: 0F:C3:EE:EB:E2:F5
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-27T06:58:55+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R6 AlphaSSL CA 2025
Issuer
OU=GlobalSign Root CA - R6 O=GlobalSign CN=GlobalSign
Valid from
2025-05-21T02:36:52+00:00
Expires
2027-05-21T00:00:00+00:00
Days remaining
205
Serial (hex)
837D4EB89E912FE72CAD3BC7692DDC20
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

A8:83:55:92:31:F8:38:8D:AF:35:CE:41:C8:10:10:40:AE:8F:D9:B6:56:43:42:47:B9:47:5A:F5:92:CC:08:CA
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
C5:B4:93:8F:6F:2B:DC:1E:48:BF:B7:10:30:85:CE:D1:B2:BB:48:2D
authorityKeyIdentifier
AE:6C:05:A3:93:13:E2:A2:E7:E2:D7:1C:D6:C7:F0:7F:C8:67:53:A0
authorityInfoAccess
OCSP - URI:http://ocsp2.globalsign.com/rootr6 CA Issuers - URI:http://secure.globalsign.com/cacert/root-r6.crt
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/root-r6.crl
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.4146.10.1.3
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
OU=GlobalSign Root CA - R6 O=GlobalSign CN=GlobalSign
Issuer
OU=GlobalSign Root CA - R6 O=GlobalSign CN=GlobalSign
Valid from
2014-12-10T00:00:00+00:00
Expires
2034-12-10T00:00:00+00:00
Days remaining
2965
Serial (hex)
45E6BB038333C3856548E6FF4551
Signature
RSA-SHA384
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

2C:AB:EA:FE:37:D0:6C:A2:2A:BA:73:91:C0:03:3D:25:98:29:52:C4:53:64:73:49:76:3A:3A:B5:AD:6C:CF:69
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
subjectKeyIdentifier
AE:6C:05:A3:93:13:E2:A2:E7:E2:D7:1C:D6:C7:F0:7F:C8:67:53:A0
authorityKeyIdentifier
AE:6C:05:A3:93:13:E2:A2:E7:E2:D7:1C:D6:C7:F0:7F:C8:67:53:A0
-----BEGIN CERTIFICATE-----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cDDpw+5CRu3CkwWJ+n1jez/QcYF8AOiYrg54NMMl+68KnyBr3TsTjxKM4kEaSHpz
oHdpx7Zcf4LIHv5YGygrqGytXm3ABdJ7t+uA/iU3/gKbaKxCXcPu9czc8FB10jZp
nOZ7BN9uBmm23goJSFmH63sUYHpkqmlD75HHTOwY3WzvUy2MmeFe8nI+z1TIvWfs
pA9MRf/TuTAjB0yPEL+GltmZWrSZVxykzLsViVO6LAUP5MSeGbEYNNVMnbrt9x+v
JJUEeKgDu+6B5dpffItKoZB0JaezPkvILFa9x8jvOOJckvB595yEunQtYQEgfn7R
8k8HWV+LLUNS60YMlOH1Zkd5d9VUWx+tJDfLRVpOoERIyNiwmcUVhAn21klJwGW4
5hpxbqCo8YLoRT5s1gLXCmeDBVrJpBA=
-----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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