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

mastername.ru · 90.156.132.126:443

Verified

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

Subject
businessCategory=Private Organization serialNumber=1047796108744 jurisdictionC=RU jurisdictionST=Moscow C=RU ST=Moscow L=Moscow street=proyezd 2-Y Yuzhnoportovyy, 20A / stroyeniye 4 etazh 1 O=Registrator Domenov LLC CN=mastername.ru
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R3 EV TLS CA 2025
Valid from
2026-02-05T13:04:21+00:00
Expires
2027-03-09T13:04:20+00:00
Days remaining
133
Serial (hex)
395A961A0EF852B80F5DFA51
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:mastername.ru, DNS:www.mastername.ru

SHA-256 fingerprint

25:62:3D:9D:D5:33:EE:A2:83:61:6C:A1:AD:6E:B8:DE:F3:94:28:CE:C1:B9:5E:CA:CA:A2:03:60:8E:50:BF:71
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsgccr3evtlsca2025.crt OCSP - URI:http://ocsp.globalsign.com/gsgccr3evtlsca2025
certificatePolicies
Policy: 2.23.140.1.1 Policy: 1.3.6.1.4.1.4146.10.1.1 CPS: https://www.globalsign.com/repository/ Policy: 1.3.6.1.4.1.4146.1.1
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/gsgccr3evtlsca2025.crl
subjectAltName
DNS:mastername.ru, DNS:www.mastername.ru
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityKeyIdentifier
63:10:7F:E4:28:33:9A:F8:47:60:59:52:7E:57:10:C7:4D:F8:17:16
subjectKeyIdentifier
A0:1A:8D:2B:CF:14:44:A2:D6:99:FB:06:9B:9E:4E:AE:D1:57:76:93
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 : Feb 5 13:04:26.450 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:46:FA:AF:9F:06:BF:91:FB:51:E4:FC:BE: FB:51:F3:C8:65:DA:BD:CD:FF:2F:1B:EF:B7:3A:90:B0: E0:44:87:A0:02:21:00:CB:B8:A7:5E:57:50:01:58:6C: AC:B3:88:BC:BC:A5:74:45:0B:74:46:5A:6A:6C:68:E7: 82:7C:81:1F:1A:80:AC Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 8E:CA:47:0B:AC:DE:6A:F3:A2:06:B0:A4:7A:84:B7:46: FE:1F:C6:BF:95:3E:25:E6:9B:4E:E4:02:48:F3:C6:E8 Timestamp : Feb 5 13:04:26.186 2026 GMT Extensions: 00:00:05:00:02:5E:4A:04 Signature : ecdsa-with-SHA256 30:46:02:21:00:D0:B8:CF:C3:28:4D:85:7B:F2:CC:03: C8:DB:C6:61:5D:3B:27:B6:92:F6:3B:F3:B0:CA:91:0B: 84:17:03:EF:23:02:21:00:88:8A:90:7D:05:01:77:B6: 8D:42:D2:9F:4E:2E:36:07:19:C8:D4:D5:1E:51:39:B0: 51:10:36:E9:93:DB:F2:9C 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 5 13:04:25.706 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:AE:6E:D2:2B:23:21:F8:57:8E:FF:A8: F9:1E:5C:36:78:4F:22:6E:B5:F4:F4:A3:FF:25:FC:91: 34:AB:88:FC:C3:02:20:31:92:12:CF:3B:BA:C1:FE:1E: E5:75:17:96:A5:AD:65:23:44:98:C9:2E:24:05:72:CE: 31:78:2C:C7:D9:24:76
-----BEGIN CERTIFICATE-----
MIIIYzCCB0ugAwIBAgIMOVqWGg74UrgPXfpRMA0GCSqGSIb3DQEBCwUAMFMxCzAJ
BgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMSkwJwYDVQQDEyBH
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cnUwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQCRWyZUi2CK3ln+CVHK
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AQQB1nkCBAIEggF3BIIBcwFxAHYAHJ9oLOn68EVpUPgbloqH3dsyENhM5siy44JS
SsTPWZ8AAAGcLedpUgAABAMARzBFAiBG+q+fBr+R+1Hk/L77UfPIZdq9zf8vG++3
OpCw4ESHoAIhAMu4p15XUAFYbKyziLy8pXRFC3RGWmpsaOeCfIEfGoCsAH8AjspH
C6zeavOiBrCkeoS3Rv4fxr+VPiXmm07kAkjzxugAAAGcLedoSgAIAAAFAAJeSgQE
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ozd7X5uUw/uhnPzBviYAAAGcLedmagAABAMARzBFAiEArm7SKyMh+FeO/6j5Hlw2
eE8ibrX09KP/JfyRNKuI/MMCIDGSEs87usH+HuV1F5alrWUjRJjJLiQFcs4xeCzH
2SR2MA0GCSqGSIb3DQEBCwUAA4IBAQApCvHUSNNTqFMP+XWK2tc37Nf9S46uCPIA
1XxqUyTm/I/z84R0xi+7f8MICSQsWFvEBiK2+Qk0mhLIvPbue6ZL4lRisrfi+ie+
wDP2suaU54Gr81JfoQCciSzyyKassAAZUDfKp4aW7gSlQX5pOxY3zKKsZtxhNiMw
LICb1H9VXEemzN/yywyWmFYEBjV/BgCxUCEqJnD0l0VCU7vQZ0GLLtmFE1mvxPxz
crVXUdLuqwTDl1/LqIUoxI3dEmJgHLS++8dNHbrNYmpGtwteiD1z9oUlZKIgrHcq
3ObHnV5hkOYIqf5T+QnK/hCeBIgz/YMKyhb8aF40Wqjd5GmL5zVu
-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-27T03:26:26+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R3 EV TLS CA 2025
Issuer
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Valid from
2025-07-16T03:05:46+00:00
Expires
2027-07-16T00:00:00+00:00
Days remaining
261
Serial (hex)
83DA866C9F52D51A9318B8D0E7C03169
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

1B:29:28:02:1A:4B:89:CF:0F:57:2A:24:36:E9:14:E2:54:12:AD:58:ED:EE:22:1E:6C:7C:3C:54:37:17:9A:26
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
63:10:7F:E4:28:33:9A:F8:47:60:59:52:7E:57:10:C7:4D:F8:17:16
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: 2.23.140.1.1 Policy: 1.3.6.1.4.1.4146.10.1.1 Policy: 1.3.6.1.4.1.4146.1.1
-----BEGIN CERTIFICATE-----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b2JhbHNpZ24uY29tL3Jvb3RyMzA7BggrBgEFBQcwAoYvaHR0cDovL3NlY3VyZS5n
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JjAkMAcGBWeBDAEBMAwGCisGAQQBoDIKAQEwCwYJKwYBBAGgMgEBMA0GCSqGSIb3
DQEBCwUAA4IBAQCtcTjIgw+tiW7E+sCTJ36nrC0IOxMpwE+nTaUG1xQJb+QE18vF
cPvEiqv8OonEBkQJFQ1N5YdDu9kydDYXBmIheYD9Z//TlUBnLL7HBje1ugplB0xE
jpU52q0XLxe6nHfeEKnslZ/Q/eDEsjZKxwF51SlGO6ap+09hfdbfMXDkTsfa+yXg
dIxZRCud0QEBTZAow0iCs3rf5wVALhhh2ePEwqxEm1LkUhvkJMLSCobYcJ+vXprK
JijbpPM602H1kqxNcD/nE7aCNm7g5GTaT04SCGYiQJ32r9mhx34peuYz05pY+AA3
aVB22PDvfoNyGZyClRtNt4KKg8dGJlYEhc3D
-----END CERTIFICATE-----

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

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