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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

TLSv1.2

mx.teknotel.com · 213.144.123.132:443

Verified

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

Subject
CN=*.teknotel.com
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication CA DV R36
Valid from
2026-07-06T00:00:00+00:00
Expires
2027-01-20T23:59:59+00:00
Days remaining
116
Serial (hex)
A5476B5E39B08734DA0F03025140A579
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:*.teknotel.com, DNS:teknotel.com

SHA-256 fingerprint

C5:76:CB:14:FE:E0:79:58:14:42:38:0C:90:F4:49:32:8C:00:4D:25:DD:EE:8A:B6:34:63:51:6D:D3:32:A9:83
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
20:A5:AC:39:BC:98:56:EE:20:54:54:23:D4:6A:D0:EC:D2:F4:00:8D
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:*.teknotel.com, DNS:teknotel.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 : Jul 6 13:32:13.432 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:F3:D5:47:07:A4:3C:46:EC:A8:62:8E: 44:FF:A8:F6:87:36:87:43:6A:49:A9:F9:B7:E8:F4:4C: 33:78:1F:FE:57:02:20:08:12:CB:6F:7C:14:E4:8A:E8: E7:F6:B7:A7:46:EC:53:48:61:67:E8:A2:78:A6:1E:BA: E8:B0:BF:AF:21:D9:AF 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 : Jul 6 13:32:14.255 2026 GMT Extensions: 00:00:05:00:05:54:B4:11 Signature : ecdsa-with-SHA256 30:45:02:20:54:30:30:C6:94:EA:3F:A3:36:26:4C:4C: DE:9A:7E:77:E8:B9:A6:E9:47:BD:2F:CE:BC:57:99:03: 71:43:08:75:02:21:00:81:5C:87:51:63:0A:D8:56:C4: 5C:B6:24:99:A0:88:DD:1B:10:22:C9:29:11:69:4D:C0: 56:FD:F8:3C:BB:B3:FE 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 : Jul 6 13:32:13.630 2026 GMT Extensions: 00:00:05:00:00:46:57:F3 Signature : ecdsa-with-SHA256 30:45:02:21:00:9F:3C:16:30:FA:36:0A:E3:CE:0E:CB: 51:54:30:26:53:A4:1B:4C:37:86:9B:9F:E1:EF:40:CF: C3:BC:DD:29:75:02:20:05:C2:DE:D5:24:FB:A3:CF:47: BA:4C:91:52:DF:72:DF:2C:DD:E1:57:A7:8B:3B:16:06: 9E:6B:A4:BB:58:03:8C
-----BEGIN CERTIFICATE-----
MIIHlDCCBfygAwIBAgIRAKVHa145sIc02g8DAlFApXkwDQYJKoZIhvcNAQELBQAw
YDELMAkGA1UEBhMCR0IxGDAWBgNVBAoTD1NlY3RpZ28gTGltaXRlZDE3MDUGA1UE
AxMuU2VjdGlnbyBQdWJsaWMgU2VydmVyIEF1dGhlbnRpY2F0aW9uIENBIERWIFIz
NjAeFw0yNjA3MDYwMDAwMDBaFw0yNzAxMjAyMzU5NTlaMBkxFzAVBgNVBAMMDiou
dGVrbm90ZWwuY29tMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAotaD
H6K+kmu0DoZpudbkuHFESOnXxM1dhqTUCrZ+rkETO6R5HNw+JeC/Hi/gZgmYGnaQ
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IjzNTXZc/XHYu2WrECm7t3t41GYEbJqEcNRT7C5GBAslasA+VQHSHvuZlgPrhS2O
gecsjgv/JeQSoOrawdnckN4OD3OKDd/gn/9c2VFA3y/Zf09qJBHuY9ZKbT08Vaiw
n1Mg3ZOsDPerBRo8Ji42YPTglnFpNsILUYMTaZl9KstyEABYYzrseFRrwFi88Cvf
WvaK2+2dY30NlCzB6smueLPSj62KoW8AmJ3X73KcvG5nokSLlJngYe2IDGY11wU/
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sZTo0/hRTFX/pyIpXzU7DoZ6Y3aVJiDLzbUG52T/oAkR9+b7p9YSWgks+/wIkqmX
TB5wvySoOYY3+0zkl4WcHpeM9t/jBSlaTyOz5fyjZkMFsycGuvTwAA+FrGLTk8P3
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IwQYMBaAFGjAEhYYDq/O9oemMlejRlFdywcnMB0GA1UdDgQWBBQgpaw5vJhW7iBU
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BzAlMCMGCCsGAQUFBwIBFhdodHRwczovL3NlY3RpZ28uY29tL0NQUzAIBgZngQwB
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AAGfN6Ec+AAABAMARzBFAiEA89VHB6Q8RuyoYo5E/6j2hzaHQ2pJqfm36PRMM3gf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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-GCM-SHA384 · Checked 2026-09-26T22:39:52+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
3464
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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