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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

patronas.de · 185.10.36.66:443

Verified

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

Subject
CN=www.patronas.com
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-09-10T14:18:55+00:00
Expires
2026-12-09T14:18:54+00:00
Days remaining
54
Serial (hex)
052D2226671D7665392DE51F362E14F66182
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:patronas.com, DNS:patronas.de, DNS:www.patronas.com, DNS:www.patronas.de

SHA-256 fingerprint

B3:AB:A5:14:93:48:02:D3:90:75:DD:C3:EF:0A:B2:E1:7E:51:F8:B7:0F:D1:8C:18:00:2F:94:15:76:59:EC:9F
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
5E:56:D7:85:F7:46:F5:56:AC:13:69:6D:74:4A:91:8F:31:A2:1E:3C
authorityKeyIdentifier
1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB
authorityInfoAccess
CA Issuers - URI:http://yr1.i.lencr.org/
subjectAltName
DNS:patronas.com, DNS:patronas.de, DNS:www.patronas.com, DNS:www.patronas.de
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/3.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB: C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD Timestamp : Sep 10 15:17:25.871 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:25:3C:88:53:BC:BD:AF:35:E1:76:AE:65: 27:22:50:6A:02:3C:40:7C:5A:6A:28:F1:13:D6:94:44: 1F:EA:77:22:02:20:76:A1:EC:54:3F:82:AD:A9:42:FC: 40:BC:4A:1B:48:C7:C0:54:F2:1B:9A:94:16:5D:CA:DC: 89:CD:46:F7:07:30 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 46:AF:86:3D:3B:3E:E5:9F:A5:77:DE:A8:24:5D:36:B0: D9:ED:22:A2:23:F4:61:77:41:22:94:52:EE:95:50:5F Timestamp : Sep 10 15:17:25.952 2026 GMT Extensions: 00:00:05:00:2A:6F:E9:CF Signature : ecdsa-with-SHA256 30:45:02:20:22:2E:6B:E0:E9:BA:E5:6A:DC:F4:64:1A: 09:99:22:5A:23:F4:1D:8A:C2:89:55:4D:77:20:BB:26: 3D:97:B1:E6:02:21:00:A8:1F:62:32:91:B7:BA:D4:EF: B3:99:AD:6B:F8:A8:0A:83:3E:B9:AB:B1:77:9D:58:5B: 6D:92:4B:A0:3F:5B:23
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_CHACHA20_POLY1305_SHA256 · Checked 2026-10-15T21:47:56+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YR1
Issuer
C=US O=ISRG CN=Root YR
Valid from
2025-09-03T00:00:00+00:00
Expires
2028-09-02T23:59:59+00:00
Days remaining
688
Serial (hex)
A20253F15F2691C05DC1CE13B9BCCA4E
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

13:94:96:34:D9:9C:D6:FD:6A:A8:0B:C0:34:FE:FA:CC:EB:19:69:FE:EF:98:65:86:71:3E:CD:BB:05:75:8D:3F
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB
authorityKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityInfoAccess
CA Issuers - URI:http://yr.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr.c.lencr.org/ 
-----BEGIN CERTIFICATE-----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=
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=ISRG CN=Root YR
Issuer
C=US O=Internet Security Research Group CN=ISRG Root X1
Valid from
2026-05-13T00:00:00+00:00
Expires
2032-09-02T23:59:59+00:00
Days remaining
2149
Serial (hex)
F24B6D17F9D9AD7CB1C9FEA78782699F
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

07:26:39:D0:B1:40:D5:BF:FA:E1:6A:D9:C3:F6:CC:60:86:04:06:21:F5:1E:E6:1A:6D:46:A8:91:5C:07:CF:76
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE
subjectKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
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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