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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

cnt.ru · 195.166.180.244:443

Verified

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

Subject
C=RU ST=Moscow L=Moscow O=PJSC Central Telegraph CN=*.cnt.ru
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign RSA OV SSL CA 2018
Valid from
2025-11-25T11:35:29+00:00
Expires
2026-12-27T11:35:28+00:00
Days remaining
70
Serial (hex)
167BC67395939B5467BC3374
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.cnt.ru, DNS:cnt.ru

SHA-256 fingerprint

22:FC:CB:F1:45:31:F1:32:31:80:09:A5:9D:EF:B0:8C:E7:8B:81:14:30:3C:ED:D7:7C:B0:15:1E:74:1D:50:2D
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsrsaovsslca2018.crt OCSP - URI:http://ocsp.globalsign.com/gsrsaovsslca2018
certificatePolicies
Policy: 1.3.6.1.4.1.4146.1.20 CPS: https://www.globalsign.com/repository/ Policy: 2.23.140.1.2.2
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/gsrsaovsslca2018.crl
subjectAltName
DNS:*.cnt.ru, DNS:cnt.ru
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityKeyIdentifier
F8:EF:7F:F2:CD:78:67:A8:DE:6F:8F:24:8D:88:F1:87:03:02:B3:EB
subjectKeyIdentifier
AE:0D:A4:D4:18:E3:C3:0A:BE:EF:D0:B8:0C:CA:8A:18:2C:A5:82:D0
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 : Nov 25 11:35:35.058 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:1D:57:44:06:AC:AA:F6:FB:17:8D:F7:AC: 31:CD:5D:6F:8E:30:6F:9F:93:97:9A:19:83:A7:95:6E: 18:30:38:E8:02:20:14:03:39:B0:EE:C1:9D:41:B8:54: 8B:3C:06:B0:F3:24:06:19:16:4E:75:09:68:91:3B:88: 0A:18:60:7A:06:81 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 : Nov 25 11:35:35.059 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:32:AD:C3:52:59:7A:EC:A6:B5:81:D6:4A: 9A:11:3B:23:9F:4A:8C:29:BB:D0:17:B2:E4:40:80:EC: 35:FF:87:EA:02:21:00:9E:F5:BE:B8:96:8D:16:E7:FA: 81:DA:4A:68:50:F1:32:DE:D8:D2:C0:4F:59:C7:A3:93: 85:C0:82:78:31:19:CC 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 : Nov 25 11:35:35.049 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:BA:98:CD:41:55:37:F2:7B:CD:F9:51: 38:AE:55:31:38:7B:7D:27:9E:3D:B1:EC:CD:46:B4:85: FE:AD:3F:B3:39:02:20:37:1E:60:50:59:0D:3F:71:D0: 9A:68:BB:8D:80:2D:27:C1:25:EE:63:13:D9:60:32:6B: A1:37:C7:7E:50:7E:E1
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-17T22:29:18+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign RSA OV SSL CA 2018
Issuer
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Valid from
2018-11-21T00:00:00+00:00
Expires
2028-11-21T00:00:00+00:00
Days remaining
765
Serial (hex)
01EE5F221DFC623BD4333A8557
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

B6:76:FF:A3:17:9E:88:12:09:3A:1B:5E:AF:EE:87:6A:E7:A6:AA:F2:31:07:8D:AD:1B:FB:21:CD:28:93:76:4A
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
F8:EF:7F:F2:CD:78:67:A8:DE:6F:8F:24:8D:88:F1:87:03:02:B3:EB
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
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/root-r3.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.globalsign.com/repository/
-----BEGIN CERTIFICATE-----
MIIETjCCAzagAwIBAgINAe5fIh38YjvUMzqFVzANBgkqhkiG9w0BAQsFADBMMSAw
HgYDVQQLExdHbG9iYWxTaWduIFJvb3QgQ0EgLSBSMzETMBEGA1UEChMKR2xvYmFs
U2lnbjETMBEGA1UEAxMKR2xvYmFsU2lnbjAeFw0xODExMjEwMDAwMDBaFw0yODEx
MjEwMDAwMDBaMFAxCzAJBgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52
LXNhMSYwJAYDVQQDEx1HbG9iYWxTaWduIFJTQSBPViBTU0wgQ0EgMjAxODCCASIw
DQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAKdaydUMGCEAI9WXD+uu3Vxoa2uP
UGATeoHLl+6OimGUSyZ59gSnKvuk2la77qCk8HuKf1UfR5NhDW5xUTolJAgvjOH3
idaSz6+zpz8w7bXfIa7+9UQX/dhj2S/TgVprX9NHsKzyqzskeU8fxy7quRU6fBhM
abO1IFkJXinDY+YuRluqlJBJDrnw9UqhCS98NE3QvADFBlV5Bs6i0BDxSEPouVq1
lVW9MdIbPYa+oewNEtssmSStR8JvA+Z6cLVwzM0nLKWMjsIYPJLJLnNvBhBWk0Cq
o8VS++XFBdZpaFwGue5RieGKDkFNm5KQConpFmvv73W+eka440eKHRwup08CAwEA
AaOCASkwggElMA4GA1UdDwEB/wQEAwIBhjASBgNVHRMBAf8ECDAGAQH/AgEAMB0G
A1UdDgQWBBT473/yzXhnqN5vjySNiPGHAwKz6zAfBgNVHSMEGDAWgBSP8Et/qC5F
JK5NUPpjmove4t0bvDA+BggrBgEFBQcBAQQyMDAwLgYIKwYBBQUHMAGGImh0dHA6
Ly9vY3NwMi5nbG9iYWxzaWduLmNvbS9yb290cjMwNgYDVR0fBC8wLTAroCmgJ4Yl
aHR0cDovL2NybC5nbG9iYWxzaWduLmNvbS9yb290LXIzLmNybDBHBgNVHSAEQDA+
MDwGBFUdIAAwNDAyBggrBgEFBQcCARYmaHR0cHM6Ly93d3cuZ2xvYmFsc2lnbi5j
b20vcmVwb3NpdG9yeS8wDQYJKoZIhvcNAQELBQADggEBAJmQyC1fQorUC2bbmANz
EdSIhlIoU4r7rd/9c446ZwTbw1MUcBQJfMPg+NccmBqixD7b6QDjynCy8SIwIVbb
0615XoFYC20UgDX1b10d65pHBf9ZjQCxQNqQmJYaumxtf4z1s4DfjGRzNpZ5eWl0
6r/4ngGPoJVpjemEuunl1Ig423g7mNA2eymw0lIYkN5SQwCuaifIFJ6GlazhgDEw
fpolu4usBCOmmQDo8dIm7A9+O4orkjgTHY+GzYZSR+Y0fFukAj6KYXwidlNalFMz
hriSqHKvoflShx8xpfywgVcvzfTO3PYkz6fiNJBonf6q8amaEsybwMbDqKWwIX7e
SPY=
-----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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