THE CERTIFICATE BEHIND THE CONNECTION

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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

ns1.eftydns.com · 87.253.137.197:443

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=NL ST=Groningen L=Groningen O=Test OU=Test CN=eftyns1.efty.com emailAddress=lionel@efty.com
Issuer: C=NL ST=Groningen L=Groningen O=Test OU=Test CN=eftyns1.efty.com emailAddress=lionel@efty.com
Valid from: 2022-05-27T06:15:13+00:00
Expires: 2023-05-27T06:15:13+00:00
Days remaining: -1238
Serial (hex): 1EB78AFC1E7C4F3CE69EFC097AA4AF16D82D9F00
Signature: RSA-SHA512
Public key: RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

AE:F8:9B:41:45:4F:2A:32:71:A3:89:EA:FC:07:C1:79:C9:E0:F7:ED:FF:B8:66:F4:29:28:85:9D:E6:2B:E5:09

Certificate extensions & PEM

subjectKeyIdentifier: 79:4D:D3:6F:5C:A1:84:78:63:50:88:4F:94:58:C4:F9:13:52:E3:D2
authorityKeyIdentifier: 79:4D:D3:6F:5C:A1:84:78:63:50:88:4F:94:58:C4:F9:13:52:E3:D2
basicConstraints: CA:TRUE

-----BEGIN CERTIFICATE-----
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BQAwgY4xCzAJBgNVBAYTAk5MMRIwEAYDVQQIDAlHcm9uaW5nZW4xEjAQBgNVBAcM
CUdyb25pbmdlbjENMAsGA1UECgwEVGVzdDENMAsGA1UECwwEVGVzdDEZMBcGA1UE
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Ak5MMRIwEAYDVQQIDAlHcm9uaW5nZW4xEjAQBgNVBAcMCUdyb25pbmdlbjENMAsG
A1UECgwEVGVzdDENMAsGA1UECwwEVGVzdDEZMBcGA1UEAwwQZWZ0eW5zMS5lZnR5
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e1+ggdun7wlDkpdikZ96G/AiwCUX5fav3Jdi03hZiLIYoRFYu20Qwyu9fdXV3VRY
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7yr8EikCAwEAAaNTMFEwHQYDVR0OBBYEFHlN029coYR4Y1CIT5RYxPkTUuPSMB8G
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/OYT0x+dkFmK0pGMhmyPvI56RxQOXbUT4/RmfpY9CyeZUu0BhdUrJXKG7lnL9zln
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/zBnlKd2sGe81Yjc5wmnvGbbAZLb+QusMoKdcHYjxwjsIdIOTvngAD0ERNKZxnBE
Cqm+0rP/G/7aRXozgN2iTysJGlt/0f+Rlm6908l4n7V3YimEX2/3zr3RAAm7+mYF
BnhVNJLdwQOoXPMWiVRW+J2oRPpDnoharvQhOH4ZrMcl5R6EhG1Ab4sWH6w/04Ak
EGdbRUqhReB9NIAU5agcBOFhfWTLkghbDHzGsM6dxb6q4cBu0I5LfEjZYGcnDX3m
mOfLvgZoWl1dipcLeC5sv7GnoCUR0SWknkx9BnOuSTXQqIlwLWfss4me5tz5xJ6Y
SnAa
-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-15T13:27:47+00:00

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

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