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

ns1.irsfa.id · 103.28.13.247:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed
The certificate has expired.

Certificate verification failed

Subject
C=-- ST=SomeState L=SomeCity O=SomeOrganization OU=SomeOrganizationalUnit CN=ns1.irsfa.id emailAddress=root@ns1.irsfa.id
Issuer
C=-- ST=SomeState L=SomeCity O=SomeOrganization OU=SomeOrganizationalUnit CN=ns1.irsfa.id emailAddress=root@ns1.irsfa.id
Valid from
2016-05-20T12:45:42+00:00
Expires
2017-05-20T12:45:42+00:00
Days remaining
-3431
Serial (hex)
2C15
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

B1:C1:F8:7C:B5:DD:42:2C:2C:88:51:D6:8E:77:69:11:CD:FF:1F:20:D6:1B:11:3F:20:6F:86:F2:98:34:A8:7A
Certificate extensions & PEM
basicConstraints
CA:FALSE
keyUsage
Digital Signature, Non Repudiation, Key Encipherment
-----BEGIN CERTIFICATE-----
MIID6jCCAtKgAwIBAgICLBUwDQYJKoZIhvcNAQELBQAwgakxCzAJBgNVBAYTAi0t
MRIwEAYDVQQIDAlTb21lU3RhdGUxETAPBgNVBAcMCFNvbWVDaXR5MRkwFwYDVQQK
DBBTb21lT3JnYW5pemF0aW9uMR8wHQYDVQQLDBZTb21lT3JnYW5pemF0aW9uYWxV
bml0MRUwEwYDVQQDDAxuczEuaXJzZmEuaWQxIDAeBgkqhkiG9w0BCQEWEXJvb3RA
bnMxLmlyc2ZhLmlkMB4XDTE2MDUyMDEyNDU0MloXDTE3MDUyMDEyNDU0Mlowgakx
CzAJBgNVBAYTAi0tMRIwEAYDVQQIDAlTb21lU3RhdGUxETAPBgNVBAcMCFNvbWVD
aXR5MRkwFwYDVQQKDBBTb21lT3JnYW5pemF0aW9uMR8wHQYDVQQLDBZTb21lT3Jn
YW5pemF0aW9uYWxVbml0MRUwEwYDVQQDDAxuczEuaXJzZmEuaWQxIDAeBgkqhkiG
9w0BCQEWEXJvb3RAbnMxLmlyc2ZhLmlkMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8A
MIIBCgKCAQEAv81yZS0gwNkcNpqlVlLg4696290jMcnMq47De/WDY6xTklNt9v2D
zFEVBP/dShimAa3kYVT0+lwqsvEXITsSVC10orHrsAo0iW+uRwK/sE4bYQRO25GO
cES1654ZKOTGJ3Y0CyfAHhNWXA8nzOOqRgt1bCsonQrWh9tFBKIUfkUIidOoEyY4
fzbbCi4/H6u0/q9am2aYAr/Gok626+s4TJSB3CpXehlIo2fm1FObCqq9EYHy+rGz
kjq+KzLkrR8kl2mHhXnoDhdrLVngZQp7UcV2xafwCiTskWngEoDGYOa8y2qcn5MP
MCisLlDqzt+H6vgeQJ50lmzfChujFee1BwIDAQABoxowGDAJBgNVHRMEAjAAMAsG
A1UdDwQEAwIF4DANBgkqhkiG9w0BAQsFAAOCAQEArCMqnKkjvJVLprCMjejUst6y
7erYVNvrKU7vEQQWtYRm/lTKYj8ac2DA7rVfIU2u3VguBxMmO0DPagjYYgnWle9v
uPWFVL0oW91X8rxDEpVPVnwRAsQic3X3NgG14qM72GKM96bYP+ydAhn4i8TszFqt
TW3MNNXnjEuz5VE8uc7VPltorFtDG+ONgBnVElCctxuU3zES5P5OugEqHmatIL5w
rn1TnSQWEN4g4dKXXdXmkf55CYQTg7XJHOwE17u72STRwI1C2KcU5wZ/VskoOIkK
aVUwJSGrl8K5nL7v7+GRDqocGIJCyjIByS6UkFaLV5x57UfNM+NAQX6aIibSQg==
-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-10T20:43:47+00:00

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

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