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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

itreg.ru · 79.173.80.22:443

Verified
The certificate expires within 30 days.

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

Subject
CN=*.itreg.ru
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R3 DV TLS CA 2020
Valid from
2026-04-22T06:57:45+00:00
Expires
2026-11-07T06:57:45+00:00
Days remaining
22
Serial (hex)
048E205D4EB9FBB77F6CB899
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.itreg.ru, DNS:itreg.ru

SHA-256 fingerprint

9F:44:DA:34:9F:43:73:02:CC:CE:22:60:2A:91:CF:CF:5E:F0:0D:9C:33:B8:5E:E7:DA:E5:02:B9:94:EC:F4:09
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:*.itreg.ru, DNS:itreg.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
A3:9D:81:0D:F7:D2:56:EB:38:63:F1:70:7A:80:A4:19:33:52:A0:5D
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 22 06:57:48.479 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:E8:06:31:E7:39:39:70:64:9E:4C:13: 6A:9C:80:22:34:FE:88:E3:FA:8C:D8:27:CC:C0:AF:2F: 94:A2:ED:40:16:02:21:00:A4:70:D2:04:6D:2F:36:4B: C9:35:41:10:C8:B3:79:C4:90:0F:13:0C:6F:42:28:E7: 83:F8:E5:7F:E2:5B:3B:88 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 22 06:57:48.096 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:93:F6:50:62:90:D6:DF:67:2E:AA:10: F3:6C:DD:B7:4F:BD:40:40:54:85:0A:EF:C2:CA:C0:76: CC:F7:6F:BA:4D:02:21:00:BD:92:3F:73:82:F9:CB:32: B5:41:7F:E3:1F:50:40:66:D2:E0:47:79:D7:3D:28:02: 55:A1:70:E0:DD:B7:6E:0E 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 22 06:57:48.411 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:56:53:98:CD:1D:F8:8A:AF:C7:33:12:EF: CE:67:24:02:AF:DE:6D:A0:5C:F4:4A:95:C8:E2:3B:09: D3:E9:0F:3D:02:20:6D:C4:DC:99:41:23:77:8B:70:EC: 27:FA:E6:E5:77:0A:56:DE:3A:01:A7:B0:E6:6D:A9:6D: 23:69:94:23:AD:08
-----BEGIN CERTIFICATE-----
MIIGRjCCBS6gAwIBAgIMBI4gXU65+7d/bLiZMA0GCSqGSIb3DQEBCwUAMFMxCzAJ
BgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMSkwJwYDVQQDEyBH
bG9iYWxTaWduIEdDQyBSMyBEViBUTFMgQ0EgMjAyMDAeFw0yNjA0MjIwNjU3NDVa
Fw0yNjExMDcwNjU3NDVaMBUxEzARBgNVBAMMCiouaXRyZWcucnUwggEiMA0GCSqG
SIb3DQEBAQUAA4IBDwAwggEKAoIBAQC6veQXeKd0e8XGK5Lr9KUW4WPwhxs+sPUW
iJkQ6TzL2azOUpsh4RitgTQPhjV6kGwBh/49Y1oFSXjCpRtY0MmGGlA45D+RmVOH
U3CebFV9pyMKHmbGkIdCfHEBIYR2lhFX7kwP7GltZ5HISbau51J/wr8qPY8CyXVk
XA9+nQLsSqiRLs+fzysPZudjvXKQ+JU6UQ+VhLqhEtYoVjAUKhDzqOGpiB8QkJl5
OXWYumU2vpcaNjXsTkul3twLfNscvlMV4IJ/M4deLGl3udoy1JJkC7yQcEHD5Gv2
rgfttW0QS1FEGQ16fSDfnl3jz8RyORWPuGiZLJlPCIFoSjDVEGN5AgMBAAGjggNW
MIIDUjAOBgNVHQ8BAf8EBAMCBaAwDAYDVR0TAQH/BAIwADCBkwYIKwYBBQUHAQEE
gYYwgYMwRgYIKwYBBQUHMAKGOmh0dHA6Ly9zZWN1cmUuZ2xvYmFsc2lnbi5jb20v
Y2FjZXJ0L2dzZ2NjcjNkdnRsc2NhMjAyMC5jcnQwOQYIKwYBBQUHMAGGLWh0dHA6
Ly9vY3NwLmdsb2JhbHNpZ24uY29tL2dzZ2NjcjNkdnRsc2NhMjAyMDBWBgNVHSAE
TzBNMEEGCSsGAQQBoDIBCjA0MDIGCCsGAQUFBwIBFiZodHRwczovL3d3dy5nbG9i
YWxzaWduLmNvbS9yZXBvc2l0b3J5LzAIBgZngQwBAgEwQQYDVR0fBDowODA2oDSg
MoYwaHR0cDovL2NybC5nbG9iYWxzaWduLmNvbS9nc2djY3IzZHZ0bHNjYTIwMjAu
Y3JsMB8GA1UdEQQYMBaCCiouaXRyZWcucnWCCGl0cmVnLnJ1MB0GA1UdJQQWMBQG
CCsGAQUFBwMBBggrBgEFBQcDAjAfBgNVHSMEGDAWgBQNmMBzf6u9vdlHS0mtCkoM
rD7HfDAdBgNVHQ4EFgQUo52BDffSVus4Y/FweoCkGTNSoF0wggF/BgorBgEEAdZ5
AgQCBIIBbwSCAWsBaQB3AJROQ4f67MHvgfMZJCaoGGUBx9NfOAIBP3JnfVU3LhnY
AAABnbP7D78AAAQDAEgwRgIhAOgGMec5OXBknkwTapyAIjT+iOP6jNgnzMCvL5Si
7UAWAiEApHDSBG0vNkvJNUEQyLN5xJAPEwxvQijng/jlf+JbO4gAdwDLOPcViXyE
oURfW8Hd+8lu8ppZzUcKaQWFsMsUwxRY5wAAAZ2z+w5AAAAEAwBIMEYCIQCT9lBi
kNbfZy6qEPNs3bdPvUBAVIUK78LKwHbM92+6TQIhAL2SP3OC+csytUF/4x9QQGbS
4Ed51z0oAlWhcODdt24OAHUAwjF+V0UZo0XufzjespBB68fCIVoiv3/Vta12mtkO
Us0AAAGds/sPewAABAMARjBEAiBWU5jNHfiKr8czEu/OZyQCr95toFz0SpXI4jsJ
0+kPPQIgbcTcmUEjd4tw7Cf65uV3ClbeOgGnsOZtqW0jaZQjrQgwDQYJKoZIhvcN
AQELBQADggEBAJHHq2izvAnH4OA4nmk0Zn0X4QatZJxo6KzbUm+/RE02DqfCUupA
vkFpUHoReSndxzv93VVLBjBQ11imY7o2eu8HFSJ+1Cy7r09MbEXXl7lDGEyMlhyT
wvFf1c65gbebYIbIh5GWwGEgyBcf/8arkKk6Tv84hEg2+lNKJtEo/NrctgvsRddI
LtjM6DM3woZQE/bA45R4lgr9xIBrNkzWx/TJtjiMIR1l3jPOg3dbIRWDTKqebmSE
UKd1PvkTJ86PNjbB4nEIfZE6QQSQ6dw4MTmVk9S+En1Anhq+BU4tEysXNpyRqK4q
qYvcMNNHwH488B79pDYCqYeWgAwWrrJ2ndY=
-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-15T23:43:22+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
884
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
884
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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