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

TLSv1.2

yugtelecom.su · 89.104.86.206:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed
The certificate has expired.

Certificate verification failed

Subject
CN=yugtelecom.su
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=Thawte RSA CA 2018
Valid from
2021-04-17T00:00:00+00:00
Expires
2022-05-02T23:59:59+00:00
Days remaining
-1625
Serial (hex)
0419CC82437331E9A17E27B320E9DDFA
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:yugtelecom.su, DNS:www.yugtelecom.su

SHA-256 fingerprint

F1:4C:43:50:7C:1C:B4:EC:8E:C0:8B:FB:5B:76:44:4B:C5:07:36:9F:DD:03:CF:B4:11:10:22:50:CB:68:D6:13
Certificate extensions & PEM
authorityKeyIdentifier
A3:C8:5E:65:54:E5:30:78:C1:05:EA:07:0A:6A:59:CC:B9:FE:DE:5A
subjectKeyIdentifier
BE:96:C1:21:DD:34:58:81:1C:CF:80:41:C5:E5:C9:4C:55:17:9B:4C
subjectAltName
DNS:yugtelecom.su, DNS:www.yugtelecom.su
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: 2.23.140.1.2.1 CPS: http://www.digicert.com/CPS
authorityInfoAccess
OCSP - URI:http://status.thawte.com CA Issuers - URI:http://cacerts.thawte.com/ThawteRSACA2018.crt
basicConstraints
CA:FALSE
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 29:79:BE:F0:9E:39:39:21:F0:56:73:9F:63:A5:77:E5: BE:57:7D:9C:60:0A:F8:F9:4D:5D:26:5C:25:5D:C7:84 Timestamp : Apr 17 21:45:49.154 2021 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:76:5A:45:8F:9B:80:47:60:B6:B8:A6:D5: 81:2D:FD:30:1D:D4:E5:B5:8B:7C:EE:14:12:8E:60:C3: 71:8D:BB:71:02:21:00:98:B3:DF:A8:EB:AB:17:25:42: 2C:8C:2D:7A:63:DB:95:CF:EB:21:61:F1:BA:40:54:CB: 7D:50:94:37:62:7E:50 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 22:45:45:07:59:55:24:56:96:3F:A1:2F:F1:F7:6D:86: E0:23:26:63:AD:C0:4B:7F:5D:C6:83:5C:6E:E2:0F:02 Timestamp : Apr 17 21:45:49.244 2021 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:8C:9C:98:B2:B9:CB:17:ED:C4:58:B8: F9:C2:BD:64:4D:F9:3D:42:9F:6D:2B:61:A3:A3:3F:53: 12:2A:11:95:13:02:20:25:8C:47:F4:1E:0F:13:45:5B: 70:1A:69:43:7B:65:87:00:B3:39:50:5C:A5:21:F3:14: 76:BE:11:12:13:43:CB Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 41:C8:CA:B1:DF:22:46:4A:10:C6:A1:3A:09:42:87:5E: 4E:31:8B:1B:03:EB:EB:4B:C7:68:F0:90:62:96:06:F6 Timestamp : Apr 17 21:45:49.214 2021 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:AD:6B:4B:90:23:AE:8C:A6:4F:CA:F2: B6:61:32:7F:B0:C4:BE:72:02:8B:F4:13:97:BC:D2:19: CF:8E:C2:89:26:02:21:00:C1:08:99:4E:6A:40:8A:A4: 1D:26:B1:4D:FA:E1:BC:CD:3A:9B:30:FE:44:B7:B6:9E: 5D:52:C2:3A:86:2E:14:A0
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-GCM-SHA384 · Checked 2026-10-13T10:20:06+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=Thawte RSA CA 2018
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root CA
Valid from
2017-11-06T12:23:52+00:00
Expires
2027-11-06T12:23:52+00:00
Days remaining
389
Serial (hex)
025A8AEF196F7E0D6C2104B21AE6702B
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

9A:5E:EC:EE:9C:7D:89:8B:D8:1D:C3:BF:06:6D:AF:6A:EF:B8:DB:1C:59:67:62:06:D2:BF:DD:68:23:12:C6:F6
Certificate extensions & PEM
subjectKeyIdentifier
A3:C8:5E:65:54:E5:30:78:C1:05:EA:07:0A:6A:59:CC:B9:FE:DE:5A
authorityKeyIdentifier
03:DE:50:35:56:D1:4C:BB:66:F0:A3:E2:1B:1B:C3:97:B2:3D:D1:55
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/DigiCertGlobalRootCA.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.digicert.com/CPS
-----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 →