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

dns2.ebootis.de · 212.144.242.142:443

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
CN=*.ebootis.de
Issuer
C=US O=Let's Encrypt CN=R12
Valid from
2026-04-21T09:12:39+00:00
Expires
2026-07-20T09:12:38+00:00
Days remaining
-109
Serial (hex)
0621DA187132A33868B8E7F9226E0EACD234
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.ebootis.de

SHA-256 fingerprint

70:69:9A:67:69:B8:EA:D4:C7:68:34:35:0A:F7:54:4F:29:98:A1:EB:6B:DB:1F:25:BA:5A:96:03:ED:78:35:45
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
53:32:5F:A4:33:14:C7:70:CA:4A:96:BE:8A:33:B1:9C:6C:EE:53:AD
authorityKeyIdentifier
00:B5:29:F2:2D:8E:6F:31:E8:9B:4C:AD:78:3E:FA:DC:E9:0C:D1:D2
authorityInfoAccess
CA Issuers - URI:http://r12.i.lencr.org/
subjectAltName
DNS:*.ebootis.de
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://r12.c.lencr.org/53.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : CB:38:F7:15:89:7C:84:A1:44:5F:5B:C1:DD:FB:C9:6E: F2:9A:59:CD:47:0A:69:05:85:B0:CB:14:C3:14:58:E7 Timestamp : Apr 21 10:11:09.267 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:76:58:2F:0F:00:11:35:B5:1C:8C:52:D7: 85:06:F1:40:D7:10:06:AC:6D:02:02:04:91:14:5A:5D: 30:D3:72:2C:02:20:01:83:64:30:8A:43:CC:30:7B:F9: D4:44:55:AE:A7:AE:0E:5B:02:A8:95:1B:65:AD:EA:2E: 89:B9:0C:40:C1:A1 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 6C:FE:50:19:43:A8:5E:A9:16:BC:52:D1:33:E4:DC:C9: 1E:F1:41:1C:7D:25:84:20:D1:73:80:9E:18:18:EB:3A Timestamp : Apr 21 10:11:10.150 2026 GMT Extensions: 00:00:05:00:08:1B:1F:2D Signature : ecdsa-with-SHA256 30:45:02:20:65:BB:8F:F5:0B:9C:90:8F:0D:79:0F:6E: 58:AC:E8:98:18:FA:36:FA:B0:47:1A:19:7E:78:75:54: 1E:CD:A3:18:02:21:00:EE:FF:A5:DC:99:91:00:3D:2C: D2:31:84:A3:33:54:10:76:DA:A9:29:FE:C8:AF:C9:9B: 7E:13:E1:48:FC:70:7C
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-05T23:38:48+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=R12
Issuer
C=US O=Internet Security Research Group CN=ISRG Root X1
Valid from
2024-03-13T00:00:00+00:00
Expires
2027-03-12T23:59:59+00:00
Days remaining
127
Serial (hex)
C212324B70A9B49171DC40F7E285263C
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

13:1F:CE:77:84:01:68:99:A5:A0:02:03:A9:EF:C8:0F:18:EB:BD:75:58:07:17:ED:C1:55:35:80:93:08:36:EC
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Client Authentication, TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
00:B5:29:F2:2D:8E:6F:31:E8:9B:4C:AD:78:3E:FA:DC:E9:0C:D1:D2
authorityKeyIdentifier
79:B4:59:E6:7B:B6:E5:E4:01:73:80:08:88:C8:1A:58:F6:E9:9B:6E
authorityInfoAccess
CA Issuers - URI:http://x1.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://x1.c.lencr.org/ 
-----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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