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

cesur.net · 195.244.57.222:443

Verified

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

Subject
CN=cesur.net
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
108
Serial (hex)
4216FD091C09A4CE64CEAC840DC1BC98
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:cesur.net, DNS:cesur.net.tr, DNS:cesurtech.com

SHA-256 fingerprint

A3:39:7D:54:A4:6A:1F:01:E8:E5:A1:61:65:AA:B8:94:E6:25:6E:04:72:A9:A6:51:BE:CF:3F:74:D7:0B:BA: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
E8:48:96:E6:29:9D:55:F7:C2:00:C2:3F:1E:78:65:4F:01:D8:81:72
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
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 22:29:36.117 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:33:E2:91:AB:61:27:A5:E0:D1:12:31:75: F8:C5:35:BF:95:A0:25:BD:84:94:66:9D:65:5B:FE:6B: 96:45:7F:64:02:20:45:C3:F6:7E:47:94:0F:67:C7:0F: 32:76:99:B9:AA:57:53:8C:48:20:D8:B7:AD:34:EC:5D: AD:F2:D8:1C:30:F8 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 22:29:36.255 2026 GMT Extensions: 00:00:05:00:05:5C:AD:44 Signature : ecdsa-with-SHA256 30:45:02:21:00:A9:2F:2C:CF:BB:C1:3E:07:73:2D:19: B3:C3:3F:2B:FE:64:B1:86:19:6E:DB:0B:C3:BA:F6:5B: 2E:FB:A0:80:60:02:20:5F:C5:94:E9:3F:1C:41:F6:A8: 3B:3A:7C:3B:A5:6E:17:32:5C:12:D0:66:60:70:47:FF: DC:1F:33:08:E8:21:51 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 22:29:36.431 2026 GMT Extensions: 00:00:05:00:00:46:8F:67 Signature : ecdsa-with-SHA256 30:45:02:21:00:BE:32:99:94:E9:C3:A4:B9:31:82:A3: 3D:05:4E:D0:B7:9A:20:7C:55:8D:0D:CE:B8:7C:A6:B3: D7:5F:71:97:8C:02:20:48:9C:EB:BF:60:B2:EE:9E:BF: AE:46:4A:68:DB:3C:6C:4D:E3:94:10:7E:C5:CB:E2:A6: F0:29:34:44:C0:29:79
subjectAltName
DNS:cesur.net, DNS:cesur.net.tr, DNS:cesurtech.com
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-04T16:35:49+00:00

Server-presented chain · 2 additional certificates

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
3456
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-----

Chain certificate 2

Subject
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication Root R46
Issuer
C=GB ST=Greater Manchester L=Salford O=Comodo CA Limited CN=AAA Certificate Services
Valid from
2021-03-22T00:00:00+00:00
Expires
2028-12-31T23:59:59+00:00
Days remaining
819
Serial (hex)
E37CA2E9701E339C2F3FB0ED360FF90A
Signature
RSA-SHA384
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

CE:75:58:0B:C6:79:6D:3B:3E:A2:C3:E7:42:59:D0:D4:03:07:24:08:E9:60:C7:71:39:C2:FB:5A:3D:94:19:E4
Certificate extensions & PEM
authorityKeyIdentifier
A0:11:0A:23:3E:96:F1:07:EC:E2:AF:29:EF:82:A5:7F:D0:30:A4:B4
subjectKeyIdentifier
56:73:58:64:95:F9:92:1A:B0:12:2A:04:62:79:A1:40:15:88:21:49
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: X509v3 Any Policy
crlDistributionPoints
Full Name: URI:http://crl.comodoca.com/AAACertificateServices.crl
authorityInfoAccess
OCSP - URI:http://ocsp.comodoca.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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