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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

mail.kyivlink.com · 195.12.59.31:443

Verified

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

Subject
CN=*.kyivlink.com
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication CA DV R36
Valid from
2026-01-20T00:00:00+00:00
Expires
2027-02-19T23:59:59+00:00
Days remaining
143
Serial (hex)
6CBB072CD0B8380E651D14A723A7C44C
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.kyivlink.com, DNS:kyivlink.com

SHA-256 fingerprint

AD:2F:9D:8D:6B:8C:C9:4B:3D:DE:4C:E7:A1:F5:57:7F:D7:5B:08:80:EA:F1:51:3E:D7:ED:E1:43:6B:C7:9B:25
Certificate extensions & PEM
authorityKeyIdentifier
68:C0:12:16:18:0E:AF:CE:F6:87:A6:32:57:A3:46:51:5D:CB:07:27
subjectKeyIdentifier
E0:D3:C3:B2:FF:1D:44:2D:9C:FD:83:E4:12:58:B0:D0:13:5C:10:EB
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: 1.3.6.1.4.1.6449.1.2.2.7 CPS: https://sectigo.com/CPS Policy: 2.23.140.1.2.1
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/SectigoPublicServerAuthenticationCADVR36.crt OCSP - URI:http://ocsp.sectigo.com
subjectAltName
DNS:*.kyivlink.com, DNS:kyivlink.com
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 : Jan 20 07:29:08.848 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:3A:CF:37:A2:B6:C6:FE:07:E8:18:34:F4: 13:AC:E2:95:F2:7F:8E:E1:3D:B8:AA:BC:D2:71:C1:82: F5:AD:24:40:02:21:00:9C:FB:E5:25:78:6E:AD:3B:09: 33:C1:FC:7C:C9:20:7A:41:16:1F:AA:9D:D8:CC:96:20: 08:E9:3E:2E:9F:C7:D1 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 : Jan 20 07:29:08.185 2026 GMT Extensions: 00:00:05:00:01:A1:5A:94 Signature : ecdsa-with-SHA256 30:46:02:21:00:F8:45:72:87:CE:99:06:E6:AC:F1:42: 7B:C8:C2:F6:B1:84:BB:98:D1:06:16:6F:ED:8F:07:59: 31:5B:23:BD:A0:02:21:00:D8:59:BA:B5:DE:B0:B9:EC: 08:07:A2:82:30:49:88:30:00:AA:3C:3C:52:4D:82:03: A4:04:89:D7:88:E5:6C:D3 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 59:6E:6C:33:86:94:B2:59:72:A2:56:C8:A0:E8:DD:90: 4A:76:E8:08:3D:DA:87:3B:01:08:38:28:14:3C:EE:59 Timestamp : Jan 20 07:29:07.834 2026 GMT Extensions: 00:00:05:00:00:11:B7:5A Signature : ecdsa-with-SHA256 30:46:02:21:00:EA:09:07:36:EC:3B:65:B1:30:77:CE: 98:F3:1B:18:E5:67:F9:BD:4F:24:A0:7A:E1:FE:3A:B1: 57:3F:18:E8:55:02:21:00:BB:1E:02:C5:99:E6:1B:B0: C2:53:47:F2:E7:C8:09:39:E7:D9:D2:A9:B7:C1:1A:D4: B2:49:EE:EA:66:C9:A4:87
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-29T08:29:24+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication CA DV R36
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication Root R46
Valid from
2021-03-22T00:00:00+00:00
Expires
2036-03-21T23:59:59+00:00
Days remaining
3461
Serial (hex)
397A66CC2756362E0DAA87CA6EABE3B1
Signature
RSA-SHA384
Public key
RSA 3072

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

8C:54:C3:34:B6:6B:A4:E4:26:77:2A:F4:A3:F9:13:6C:19:A1:AE:C7:29:FD:B2:8C:53:5C:07:A5:A4:EF:22:E0
Certificate extensions & PEM
authorityKeyIdentifier
56:73:58:64:95:F9:92:1A:B0:12:2A:04:62:79:A1:40:15:88:21:49
subjectKeyIdentifier
68:C0:12:16:18:0E:AF:CE:F6:87:A6:32:57:A3:46:51:5D:CB:07:27
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE, pathlen:0
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: X509v3 Any Policy Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://crl.sectigo.com/SectigoPublicServerAuthenticationRootR46.crl
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/SectigoPublicServerAuthenticationRootR46.p7c OCSP - URI:http://ocsp.sectigo.com
-----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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