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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

wikisystem.com.br · 18.239.83.112:443

Verified

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

Subject
CN=*.wikisystem.com.br
Issuer
C=US O=Amazon CN=Amazon RSA 2048 M01
Valid from
2026-08-24T00:00:00+00:00
Expires
2027-03-09T23:59:59+00:00
Days remaining
164
Serial (hex)
05FE99194C3ABB73651643A7266B5ACE
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.wikisystem.com.br, DNS:wikisystem.com.br

SHA-256 fingerprint

AC:72:CE:EF:74:67:2C:4C:E9:8D:DB:81:CE:8D:F2:BD:C6:00:9D:35:51:3D:C4:33:E7:D9:27:01:89:E3:B6:40
Certificate extensions & PEM
authorityKeyIdentifier
81:B8:0E:63:8A:89:12:18:E5:FA:3B:3B:50:95:9F:E6:E5:90:13:85
subjectKeyIdentifier
8F:16:F8:05:C7:14:63:4E:A0:2B:A8:D8:9A:9B:AC:20:78:E3:2E:F6
subjectAltName
DNS:*.wikisystem.com.br, DNS:wikisystem.com.br
certificatePolicies
Policy: 2.23.140.1.2.1
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crl.r2m01.amazontrust.com/r2m01.crl
authorityInfoAccess
OCSP - URI:http://ocsp.r2m01.amazontrust.com CA Issuers - URI:http://crt.r2m01.amazontrust.com/r2m01.cer
basicConstraints
CA:FALSE
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F: AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26 Timestamp : Aug 24 13:01:06.709 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:24:3E:C3:A6:DE:0B:18:BE:C8:71:24:33: C3:63:84:0B:3B:56:7A:E6:85:FC:36:4C:81:C6:BA:9D: E2:B4:9B:48:02:21:00:AD:4B:D7:A5:E3:62:1D:C3:59: 8D:1D:30:25:28:5B:95:B5:A0:69:6A:44:1B:73:D7:04: 66:3C:F3:69:A8:CC:A6 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF: EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02 Timestamp : Aug 24 13:01:06.785 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:3C:42:AE:D5:C8:B3:AF:73:D1:0F:57:96: FB:78:CC:6F:BB:97:C7:3B:B4:58:0B:C7:DB:CD:CD:A6: 82:77:69:1A:02:20:7F:9E:43:E4:44:50:86:BC:C1:8E: 2F:DE:6F:B1:44:75:97:E4:AD:32:8E:FE:58:13:A3:DC: 14:3E:C3:CB:A2:C1 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 : Aug 24 13:01:06.784 2026 GMT Extensions: 00:00:05:00:0A:B0:FF:27 Signature : ecdsa-with-SHA256 30:46:02:21:00:EE:FF:0C:99:B1:75:32:C4:93:E3:4F: 9D:89:AE:BB:71:C2:8D:97:8D:16:03:D9:71:C0:86:E4: B9:02:F3:30:EC:02:21:00:D6:15:10:76:0E:3E:F9:A0: EC:1F:AA:06:38:23:4D:73:E7:E7:67:19:09:88:E4:53: C1:82:29:00:C6:E4:23:B8
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-26T05:31:56+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Amazon CN=Amazon RSA 2048 M01
Issuer
C=US O=Amazon CN=Amazon Root CA 1
Valid from
2022-08-23T22:21:28+00:00
Expires
2030-08-23T22:21:28+00:00
Days remaining
1427
Serial (hex)
077312380B9D6688A33B1ED9BF9CCDA68E0E0F
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

53:38:EB:EC:8F:B2:AC:60:99:61:26:D3:E7:6A:A3:4F:D0:F3:31:8A:C7:8E:BB:7A:C8:F6:F1:36:1F:48:4B:33
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
subjectKeyIdentifier
81:B8:0E:63:8A:89:12:18:E5:FA:3B:3B:50:95:9F:E6:E5:90:13:85
authorityKeyIdentifier
84:18:CC:85:34:EC:BC:0C:94:94:2E:08:59:9C:C7:B2:10:4E:0A:08
authorityInfoAccess
OCSP - URI:http://ocsp.rootca1.amazontrust.com CA Issuers - URI:http://crt.rootca1.amazontrust.com/rootca1.cer
crlDistributionPoints
Full Name: URI:http://crl.rootca1.amazontrust.com/rootca1.crl
certificatePolicies
Policy: 2.23.140.1.2.1
-----BEGIN CERTIFICATE-----
MIIEXjCCA0agAwIBAgITB3MSOAudZoijOx7Zv5zNpo4ODzANBgkqhkiG9w0BAQsF
ADA5MQswCQYDVQQGEwJVUzEPMA0GA1UEChMGQW1hem9uMRkwFwYDVQQDExBBbWF6
b24gUm9vdCBDQSAxMB4XDTIyMDgyMzIyMjEyOFoXDTMwMDgyMzIyMjEyOFowPDEL
MAkGA1UEBhMCVVMxDzANBgNVBAoTBkFtYXpvbjEcMBoGA1UEAxMTQW1hem9uIFJT
QSAyMDQ4IE0wMTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAOtxLKnL
H4gokjIwr4pXD3i3NyWVVYesZ1yX0yLI2qIUZ2t88Gfa4gMqs1YSXca1R/lnCKeT
epWSGA+0+fkQNpp/L4C2T7oTTsddUx7g3ZYzByDTlrwS5HRQQqEFE3O1T5tEJP4t
f+28IoXsNiEzl3UGzicYgtzj2cWCB41eJgEmJmcf2T8TzzK6a614ZPyq/w4CPAff
nAV4coz96nW3AyiE2uhuB4zQUIXvgVSycW7sbWLvj5TDXunEpNCRwC4kkZjK7rol
jtT2cbb7W2s4Bkg3R42G3PLqBvt2N32e/0JOTViCk8/iccJ4sXqrS1uUN4iB5Nmv
JK74csVl+0u0UecCAwEAAaOCAVowggFWMBIGA1UdEwEB/wQIMAYBAf8CAQAwDgYD
VR0PAQH/BAQDAgGGMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAdBgNV
HQ4EFgQUgbgOY4qJEhjl+js7UJWf5uWQE4UwHwYDVR0jBBgwFoAUhBjMhTTsvAyU
lC4IWZzHshBOCggwewYIKwYBBQUHAQEEbzBtMC8GCCsGAQUFBzABhiNodHRwOi8v
b2NzcC5yb290Y2ExLmFtYXpvbnRydXN0LmNvbTA6BggrBgEFBQcwAoYuaHR0cDov
L2NydC5yb290Y2ExLmFtYXpvbnRydXN0LmNvbS9yb290Y2ExLmNlcjA/BgNVHR8E
ODA2MDSgMqAwhi5odHRwOi8vY3JsLnJvb3RjYTEuYW1hem9udHJ1c3QuY29tL3Jv
b3RjYTEuY3JsMBMGA1UdIAQMMAowCAYGZ4EMAQIBMA0GCSqGSIb3DQEBCwUAA4IB
AQCtAN4CBSMuBjJitGuxlBbkEUDeK/pZwTXv4KqPK0G50fOHOQAd8j21p0cMBgbG
kfMHVwLU7b0XwZCav0h1ogdPMN1KakK1DT0VwA/+hFvGPJnMV1Kx2G4S1ZaSk0uU
5QfoiYIIano01J5k4T2HapKQmmOhS/iPtuo00wW+IMLeBuKMn3OLn005hcrOGTad
hcmeyfhQP7Z+iKHvyoQGi1C0ClymHETx/chhQGDyYSWqB/THwnN15AwLQo0E5V9E
SJlbe4mBlqeInUsNYugExNf+tOiybcrswBy8OFsd34XOW3rjSUtsuafd9AWySa3h
xRRrwszrzX/WWGm6wyB+f7C4
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=Amazon CN=Amazon Root CA 1
Issuer
C=US ST=Arizona L=Scottsdale O=Starfield Technologies, Inc. CN=Starfield Services Root Certificate Authority - G2
Valid from
2015-05-25T12:00:00+00:00
Expires
2037-12-31T01:00:00+00:00
Days remaining
4113
Serial (hex)
067F944A2A27CDF3FAC2AE2B01F908EEB9C4C6
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

87:DC:D4:DC:74:64:0A:32:2C:D2:05:55:25:06:D1:BE:64:F1:25:96:25:80:96:54:49:86:B4:85:0B:C7:27:06
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Digital Signature, Certificate Sign, CRL Sign
subjectKeyIdentifier
84:18:CC:85:34:EC:BC:0C:94:94:2E:08:59:9C:C7:B2:10:4E:0A:08
authorityKeyIdentifier
9C:5F:00:DF:AA:01:D7:30:2B:38:88:A2:B8:6D:4A:9C:F2:11:91:83
authorityInfoAccess
OCSP - URI:http://ocsp.rootg2.amazontrust.com CA Issuers - URI:http://crt.rootg2.amazontrust.com/rootg2.cer
crlDistributionPoints
Full Name: URI:http://crl.rootg2.amazontrust.com/rootg2.crl
certificatePolicies
Policy: X509v3 Any Policy
-----BEGIN CERTIFICATE-----
MIIEkjCCA3qgAwIBAgITBn+USionzfP6wq4rAfkI7rnExjANBgkqhkiG9w0BAQsF
ADCBmDELMAkGA1UEBhMCVVMxEDAOBgNVBAgTB0FyaXpvbmExEzARBgNVBAcTClNj
b3R0c2RhbGUxJTAjBgNVBAoTHFN0YXJmaWVsZCBUZWNobm9sb2dpZXMsIEluYy4x
OzA5BgNVBAMTMlN0YXJmaWVsZCBTZXJ2aWNlcyBSb290IENlcnRpZmljYXRlIEF1
dGhvcml0eSAtIEcyMB4XDTE1MDUyNTEyMDAwMFoXDTM3MTIzMTAxMDAwMFowOTEL
MAkGA1UEBhMCVVMxDzANBgNVBAoTBkFtYXpvbjEZMBcGA1UEAxMQQW1hem9uIFJv
b3QgQ0EgMTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALJ4gHHKeNXj
ca9HgFB0fW7Y14h29Jlo91ghYPl0hAEvrAIthtOgQ3pOsqTQNroBvo3bSMgHFzZM
9O6II8c+6zf1tRn4SWiw3te5djgdYZ6k/oI2peVKVuRF4fn9tBb6dNqcmzU5L/qw
IFAGbHrQgLKm+a/sRxmPUDgH3KKHOVj4utWp+UhnMJbulHheb4mjUcAwhmahRWa6
VOujw5H5SNz/0egwLX0tdHA114gk957EWW67c4cX8jJGKLhD+rcdqsq08p8kDi1L
93FcXmn/6pUCyziKrlA4b9v7LWIbxcceVOF34GfID5yHI9Y/QCB/IIDEgEw+OyQm
jgSubJrIqg0CAwEAAaOCATEwggEtMA8GA1UdEwEB/wQFMAMBAf8wDgYDVR0PAQH/
BAQDAgGGMB0GA1UdDgQWBBSEGMyFNOy8DJSULghZnMeyEE4KCDAfBgNVHSMEGDAW
gBScXwDfqgHXMCs4iKK4bUqc8hGRgzB4BggrBgEFBQcBAQRsMGowLgYIKwYBBQUH
MAGGImh0dHA6Ly9vY3NwLnJvb3RnMi5hbWF6b250cnVzdC5jb20wOAYIKwYBBQUH
MAKGLGh0dHA6Ly9jcnQucm9vdGcyLmFtYXpvbnRydXN0LmNvbS9yb290ZzIuY2Vy
MD0GA1UdHwQ2MDQwMqAwoC6GLGh0dHA6Ly9jcmwucm9vdGcyLmFtYXpvbnRydXN0
LmNvbS9yb290ZzIuY3JsMBEGA1UdIAQKMAgwBgYEVR0gADANBgkqhkiG9w0BAQsF
AAOCAQEAYjdCXLwQtT6LLOkMm2xF4gcAevnFWAu5CIw+7bMlPLVvUOTNNWqnkzSW
MiGpSESrnO09tKpzbeR/FoCJbM8oAxiDR3mjEH4wW6w7sGDgd9QIpuEdfF7Au/ma
eyKdpwAJfqxGF4PcnCZXmTA5YpaP7dreqsXMGz7KQ2hsVxa81Q4gLv7/wmpdLqBK
bRRYh5TmOTFffHPLkIhqhBGWJ6bt2YFGpn6jcgAKUj6DiAdjd4lpFw85hdKrCEVN
0FE6/V1dN2RMfjCyVSRCnTawXZwXgWHxyvkQAiSr6w10kY17RSlQOYiypok1JR4U
akcjMS9cmvqtmg5iUaQqqcT5NJ0hGA==
-----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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