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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

samsonopt.ru · 195.208.66.46:443

Verified
The certificate expires within 30 days.

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

Subject
CN=*.samsonopt.ru
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R3 DV TLS CA 2020
Valid from
2026-04-20T18:45:55+00:00
Expires
2026-11-05T18:45:55+00:00
Days remaining
19
Serial (hex)
5260A708045D5F2D587CAAAD
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:*.samsonopt.ru, DNS:autodiscover.samsonopt.ru, DNS:mail.samsonopt.ru, DNS:owa.samsonopt.ru, DNS:samsonopt.ru

SHA-256 fingerprint

D7:BA:C5:38:54:62:EE:BD:01:90:3E:51:61:FF:0B:14:6B:18:C9:30:C4:E1:55:C3:F3:AB:49:AD:1A:38:47:8F
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsgccr3dvtlsca2020.crt OCSP - URI:http://ocsp.globalsign.com/gsgccr3dvtlsca2020
certificatePolicies
Policy: 1.3.6.1.4.1.4146.1.10 CPS: https://www.globalsign.com/repository/ Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/gsgccr3dvtlsca2020.crl
subjectAltName
DNS:*.samsonopt.ru, DNS:autodiscover.samsonopt.ru, DNS:mail.samsonopt.ru, DNS:owa.samsonopt.ru, DNS:samsonopt.ru
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityKeyIdentifier
0D:98:C0:73:7F:AB:BD:BD:D9:47:4B:49:AD:0A:4A:0C:AC:3E:C7:7C
subjectKeyIdentifier
2B:71:65:42:FF:1C:49:1A:32:6B:CD:11:32:BE:2D:0D:26:92:F5:23
ct_precert_scts
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 : Apr 20 18:45:59.867 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:D0:1D:AB:8A:5F:A5:0E:F8:FF:D5:B6: E6:80:2D:2E:15:50:D8:8F:FF:E4:BA:92:68:1B:44:58: E2:F0:AB:B7:0D:02:21:00:88:AF:CB:CE:F6:23:EB:D0: 32:0A:42:B4:02:D3:65:24:5C:72:38:9A:AA:1A:77:62: 2C:2A:02:B4:AF:A7:91:A6 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : CB:38:F7:15:89:7C:84:A1:44:5F:5B:C1:DD:FB:C9:6E: F2:9A:59:CD:47:0A:69:05:85:B0:CB:14:C3:14:58:E7 Timestamp : Apr 20 18:45:59.383 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:86:A3:2B:30:73:81:D5:06:F4:E6:26: 4B:4A:3D:80:04:0D:6C:FB:30:75:BC:F6:89:24:EA:F5: CD:B0:57:41:7B:02:21:00:B0:5A:C5:1A:58:72:A2:13: E5:20:FE:1D:0B:11:76:92:E0:6A:19:35:27:70:26:A3: 3A:35:AE:69:90:C7:72:D5 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 : Apr 20 18:45:59.760 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:A6:DB:CF:1A:B1:3E:8A:6F:B3:1E:EE: 6D:AA:11:64:33:F1:7E:7C:7C:E3:73:12:9E:BC:FE:6B: 1D:B7:0C:72:46:02:20:57:EE:95:89:17:39:61:39:CB: CE:1E:F9:42:5E:D4:D5:C3:EE:CB:2D:92:41:E5:ED:1F: B8:5B:35:8A:2C:BA:98
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-17T14:01:29+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R3 DV TLS CA 2020
Issuer
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Valid from
2020-07-28T00:00:00+00:00
Expires
2029-03-18T00:00:00+00:00
Days remaining
882
Serial (hex)
77BD0E0742D5D9E9D049D774D02A6F9A
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

76:25:38:43:95:09:C4:11:C4:37:D3:C5:67:56:3E:13:78:67:12:81:FC:4A:14:64:AD:D0:31:87:08:43:67:6E
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
0D:98:C0:73:7F:AB:BD:BD:D9:47:4B:49:AD:0A:4A:0C:AC:3E:C7:7C
authorityKeyIdentifier
8F:F0:4B:7F:A8:2E:45:24:AE:4D:50:FA:63:9A:8B:DE:E2:DD:1B:BC
authorityInfoAccess
OCSP - URI:http://ocsp2.globalsign.com/rootr3 CA Issuers - URI:http://secure.globalsign.com/cacert/root-r3.crt
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/root-r3.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.globalsign.com/repository/
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Issuer
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Valid from
2009-03-18T10:00:00+00:00
Expires
2029-03-18T10:00:00+00:00
Days remaining
882
Serial (hex)
04000000000121585308A2
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

CB:B5:22:D7:B7:F1:27:AD:6A:01:13:86:5B:DF:1C:D4:10:2E:7D:07:59:AF:63:5A:7C:F4:72:0D:C9:63:C5:3B
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
subjectKeyIdentifier
8F:F0:4B:7F:A8:2E:45:24:AE:4D:50:FA:63:9A:8B:DE:E2:DD:1B:BC
-----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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