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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

smartmail.paknic.com · 185.183.35.109:443

Verified

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

Subject
CN=*.paknic.com
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication CA DV R36
Valid from
2026-06-25T00:00:00+00:00
Expires
2027-01-09T23:59:59+00:00
Days remaining
109
Serial (hex)
288F03000D7470E31F4CB33D36614889
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.paknic.com, DNS:paknic.com

SHA-256 fingerprint

76:1B:19:0A:EB:AF:31:15:C3:FC:48:D9:0D:D2:93:E4:84:D8:1D:86:38:E5:4C:94:7D:31:2C:C7:9E:EF:BB:3B
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
EC:6A:8A:56:4C:C7:5F:09:D3:11:E5:E8:DE:FF:B3:B4:FB:4D:BE:AB
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server 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:*.paknic.com, DNS:paknic.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 : Jun 25 12:10:50.813 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:03:FC:4C:83:A5:09:0A:4B:B2:D9:6D:2B: 0B:65:1B:76:CE:33:44:CA:15:B9:27:67:92:09:30:C6: 2E:22:A8:12:02:20:33:58:2C:63:05:5D:36:E2:9A:31: D2:03:F5:75:69:01:DB:88:1C:46:34:54:A4:A8:2A:D5: 53:F5:4C:99:2A:CC 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 : Jun 25 12:10:51.566 2026 GMT Extensions: 00:00:05:00:04:83:E0:66 Signature : ecdsa-with-SHA256 30:45:02:21:00:F6:F3:F1:25:5D:DC:C5:A5:80:CF:DB: 87:E9:D3:6C:DD:2C:16:59:5C:70:A1:7B:48:63:ED:33: 51:C9:11:90:60:02:20:3F:EB:3F:DD:86:C2:11:4B:5D: 02:80:6C:08:0A:6B:B3:69:6E:E6:52:DE:27:3D:B5:09: 38:D7:7E:0C:15:75:27 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 : Jun 25 12:10:51.026 2026 GMT Extensions: 00:00:05:00:00:3F:80:CE Signature : ecdsa-with-SHA256 30:44:02:20:66:7C:CB:E9:67:5D:EA:19:45:C3:ED:B0: E4:F5:21:AC:09:91:3A:E8:1F:1C:3B:F9:4F:F6:E4:B8: BA:73:98:0B:02:20:4C:3A:BB:30:8B:DC:B8:F5:22:68: 61:28:86:E6:45:45:2B:25:FA:A7:E6:EF:C9:C8:0B:0A: E7:E7:B3:13:C3:3D
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-22T21:56:27+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
3468
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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