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

TLSv1.3

z-it.ru · 195.60.222.75:443

Verified

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

Subject
CN=*.z-it.ru
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R3 DV TLS CA 2020
Valid from
2026-07-20T12:11:16+00:00
Expires
2027-02-04T12:11:16+00:00
Days remaining
92
Serial (hex)
6518D1AC193E11AC8AFE2DC3
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.z-it.ru, DNS:owa.z-it.ru, DNS:mail.z-it.ru, DNS:autodiscover.z-it.ru, DNS:www.z-it.ru, DNS:z-it.ru

SHA-256 fingerprint

11:24:F9:A1:1C:CE:9C:D5:CD:E8:48:BD:BE:28:ED:E4:49:47:AE:39:43:23:E9:4A:09:F5:83:30:08:D1:28:10
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:*.z-it.ru, DNS:owa.z-it.ru, DNS:mail.z-it.ru, DNS:autodiscover.z-it.ru, DNS:www.z-it.ru, DNS:z-it.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
E0:B4:FC:72:40:03:92:08:79:9D:A1:84:BC:FD:B6:DB:5D:8F:E8:4E
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 : Jul 20 12:11:20.133 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:E3:AB:0B:25:BB:27:EB:08:8D:DD:87: 11:2B:08:8B:F0:93:D3:3F:A3:57:58:A8:0F:9D:28:63: 28:82:B1:02:03:02:21:00:BB:4A:AF:6C:C5:16:D8:C3: 29:0E:D8:DF:AE:A3:0D:97:36:9F:B1:5A:80:36:80:CE: 69:E6:02:23:D4:F8:38:9F 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 : Jul 20 12:11:19.485 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:D3:F8:96:16:0B:14:6C:85:C8:90:E5: D7:56:FA:49:1C:C8:B9:17:4B:33:5D:E5:EE:61:72:F5: 3B:B1:20:4A:AF:02:21:00:BB:A8:9D:EF:74:94:5D:87: A8:99:CD:5A:92:08:0C:7B:C5:9E:88:97:DE:C1:22:96: 53:15:2D:E6:A4:B3:68:36 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 60:4C:9A:AF:7A:7F:77:5F:01:D4:06:FC:92:0D:C8:99: EB:0B:1C:7D:F8:C9:52:1B:FA:FA:17:77:3B:97:8B:C9 Timestamp : Jul 20 12:11:19.982 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:12:04:04:BE:B0:40:C1:C3:FA:F9:26:4A: 52:F7:9B:3A:69:9A:FB:8F:14:E7:FB:49:29:86:A4:B3: AD:BB:CF:77:02:21:00:AE:6B:AC:A9:D9:25:86:01:AF: 09:9F:B8:63:09:57:64:32:D6:2D:26:6E:89:73:A2:2B: 22:E2:55:B1:DB:91:F5
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-03T16:26:37+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
865
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
865
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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