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

ns2.netsec.com · 182.16.16.18:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate subjectAltName did not match expected name `ns2.netsec.com'
The certificate expires within 30 days.

Certificate verification failed

Subject
CN=*.simcentric.com
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication CA DV R36
Valid from
2025-10-17T00:00:00+00:00
Expires
2026-10-17T23:59:59+00:00
Days remaining
9
Serial (hex)
4A4521A051E956733BD1291630C34816
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:*.simcentric.com, DNS:simcentric.com

SHA-256 fingerprint

92:D1:D0:EB:3C:9D:40:92:B9:1A:24:93:84:8F:90:CB:F8:9F:6C:2F:47:02:8D:75:65:07:27:C1:D5:74:8C:11
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
E2:E5:DD:8C:5C:2C:22:CF:C4:55:06:9F:04:3E:CF:CC:5A:3B:2A:69
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:*.simcentric.com, DNS:simcentric.com
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D8:09:55:3B:94:4F:7A:FF:C8:16:19:6F:94:4F:85:AB: B0:F8:FC:5E:87:55:26:0F:15:D1:2E:72:BB:45:4B:14 Timestamp : Oct 17 02:23:44.912 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:A9:D5:82:0E:D2:F9:03:CE:A2:24:CB: 9B:91:C5:A2:16:F9:95:30:BC:DD:3A:D5:60:DF:85:0E: BB:32:CF:E3:95:02:20:60:28:67:1A:FB:05:14:4B:17: DF:F6:E3:50:18:CC:63:35:59:E7:81:21:87:33:03:04: AA:8A:17:4D:D8:0A:5E Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AF:67:88:3B:57:B0:4E:DD:8F:A6:D9:7E:F6:2E:A8:EB: 81:0A:C7:71:60:F0:24:5E:55:D6:0C:2F:E7:85:87:3A Timestamp : Oct 17 02:23:45.023 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:0A:55:7A:06:2D:23:0B:F5:79:56:49:71: D9:55:77:41:EE:AB:5F:32:76:40:0D:5D:5C:0C:3E:FB: 42:CE:9D:09:02:20:0B:09:68:9F:71:24:8F:29:8C:F4: 9D:5C:AA:05:5C:1B:6C:85:8A:9E:DB:F7:55:9E:62:B3: 3A:F5:A5:F9:7B:81 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AC:AB:30:70:6C:EB:EC:84:31:F4:13:D2:F4:91:5F:11: 1E:42:24:43:B1:F2:A6:8C:4F:3C:2B:3B:A7:1E:02:C3 Timestamp : Oct 17 02:23:44.828 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:1C:09:FB:36:40:F7:99:DB:44:45:0E:7A: 7D:12:7B:8D:FA:29:D0:4D:17:1B:DD:BE:60:BF:40:6F: 84:7B:CD:3E:02:20:62:48:9F:CD:1E:98:70:FB:A6:1A: 24:54:C2:F7:64:7E:AC:16:D1:54:86:E0:46:97:B5:B7: 8D:1E:3E:C6:5C:F2
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-08T17:57:12+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
3452
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
815
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-----
MIIFeTCCBGGgAwIBAgIRAON8oulwHjOcLz+w7TYP+QowDQYJKoZIhvcNAQEMBQAw
ezELMAkGA1UEBhMCR0IxGzAZBgNVBAgMEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4G
A1UEBwwHU2FsZm9yZDEaMBgGA1UECgwRQ29tb2RvIENBIExpbWl0ZWQxITAfBgNV
BAMMGEFBQSBDZXJ0aWZpY2F0ZSBTZXJ2aWNlczAeFw0yMTAzMjIwMDAwMDBaFw0y
ODEyMzEyMzU5NTlaMF8xCzAJBgNVBAYTAkdCMRgwFgYDVQQKEw9TZWN0aWdvIExp
bWl0ZWQxNjA0BgNVBAMTLVNlY3RpZ28gUHVibGljIFNlcnZlciBBdXRoZW50aWNh
dGlvbiBSb290IFI0NjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAJO+
1TZSddgBI6AcR0JJ7mO2tyH9xJXVSCsmfBRTENp5/Su3LaTULPrqMt1Jwrm9D0g9
e1qYVK+eXTF0Twf8UCHdpM9oTxsSY20lmUwqmfNIMGH6gXwepwhK3D4rHB8YTHGq
NYyt+G7oO0rZ5ZQC1omEE6ptyE8zzFCWN5Iz3F+I559U2UjwmEPWZv2fFzhDxQFR
C9fjIw8UXVsU50u+3fTI2gM30dY5oSFRMIOwbdcwTpZbkfBwJKu/RYFkQw29ITov
POmeDcsgtUInzNpvm+5kMJA5zZNlgSExtSNQMzci4zjt+DEwzEX+YvnRXTJ5Qoff
asxWGUBNzqq7+bV2SZTxJ/iRpYPlBrNjDoDc4BJVgKY7ZrQ5hy3I8NDRFOnkDU0O
9l1XcsU7HEdWneLV+4FhjMxNgJA0W7fXFHXc2ARIn8DBKIi06RzKp7HxVrd7SUxZ
5SAVqIQCKfo4lGmaSQaPzR95FBcSDIN63h+xl+75l3gopMhEkul9JgWmWHKbeRPY
EV+uxThiNGiyhjCO+JBhnjJs9Qc2zaJMbuyKNu3y5pkVRHDDfLycOcC04Wv3gyUj
V9kSgOVJ8HUP743rHJtUKLQhPPx8Cv/ve2t1/4sdoBkFq/r4K4FC6Di6u/uq/T3g
88rfTpeXKe3zGFbppZasvcOQmLLg+aLUpkdDfG3PAgMBAAGjggESMIIBDjAfBgNV
HSMEGDAWgBSgEQojPpbxB+zirynvgqV/0DCktDAdBgNVHQ4EFgQUVnNYZJX5khqw
EioEYnmhQBWIIUkwDgYDVR0PAQH/BAQDAgGGMA8GA1UdEwEB/wQFMAMBAf8wHQYD
VR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMBEGA1UdIAQKMAgwBgYEVR0gADBD
BgNVHR8EPDA6MDigNqA0hjJodHRwOi8vY3JsLmNvbW9kb2NhLmNvbS9BQUFDZXJ0
aWZpY2F0ZVNlcnZpY2VzLmNybDA0BggrBgEFBQcBAQQoMCYwJAYIKwYBBQUHMAGG
GGh0dHA6Ly9vY3NwLmNvbW9kb2NhLmNvbTANBgkqhkiG9w0BAQwFAAOCAQEAb4vt
uZg8PWAa0lgAusUl8y+IOWge+1L0vIq/RE3v8qWEG+3VIYC+eBEHe7WktMIy6r2P
hHDYzJUEz989WqGmv2jODKWPpi30xsXuZ14P5QgZbuk4dOB2clWRj/c/KcGSMqRe
u9XUFDBX+51KAfcyFmPGemtGXpe04Fi66Eat51d3+2UzFpawIyS88IENxVdMVHk5
0+tECA/n7l9V+tlqFdvDQgpTRXUa1D300fnvQTjxyt3MUTIvODjBiGUfrZyIMqed
pokZEA7DSBc0u9LpgxcPPrrxzSZ8jf086I9Vb4Ndb9bZfVZRCovhUBTvjI4UUeQb
MGjnzXc3hXnVJYzbVQ==
-----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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