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

TLSv1.2

pwdserver.de · 18.159.163.29:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate subjectAltName did not match expected name `pwdserver.de'

Certificate verification failed

Subject
CN=buchhaltung.pwd.de
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-09-13T17:46:45+00:00
Expires
2026-12-12T17:46:44+00:00
Days remaining
67
Serial (hex)
05F7D96D716CA7846238064C4BAD94D73FBD
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:buchhaltung.pwd.de

SHA-256 fingerprint

FC:FE:24:50:97:8D:50:13:6B:AD:67:19:D3:34:9E:02:18:12:59:2D:91:3A:77:8A:60:8B:6F:74:8E:69:8D:69
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
EB:E3:51:F3:51:2B:44:A9:5D:7C:57:0B:04:F4:4D:6A:73:28:CE:AC
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:buchhaltung.pwd.de
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/62.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AF:67:88:3B:57:B0:4E:DD:8F:A6:D9:7E:F6:2E:A8:EB: 81:0A:C7:71:60:F0:24:5E:55:D6:0C:2F:E7:85:87:3A Timestamp : Sep 13 18:45:15.391 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:AE:D5:45:B4:1E:FA:96:9D:C5:65:2A: 64:10:DB:E0:08:8E:E9:BE:BD:81:DA:50:6F:30:80:1D: 6F:05:BD:2E:82:02:21:00:C1:00:A7:56:FB:64:02:C4: 1C:DF:58:F5:BD:30:8D:76:74:D7:37:B1:E7:89:5E:8E: BF:64:10:A7:54:57:5D:12 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 26:E3:64:6E:58:69:21:23:BC:34:3F:47:24:35:9B:37: 92:CD:24:5A:88:D8:15:D3:93:33:FD:99:18:AB:47:23 Timestamp : Sep 13 18:45:12.977 2026 GMT Extensions: 00:00:05:00:41:4A:84:4C Signature : ecdsa-with-SHA256 30:46:02:21:00:B8:2C:8B:5F:90:54:CA:2F:78:62:EA: E4:5A:77:C0:59:14:EA:E2:E8:4D:3A:D2:BF:AB:7D:3D: 3B:D3:47:D7:69:02:21:00:E9:D6:27:F7:60:23:0B:DA: CD:70:CE:3B:9E:CC:42:B7:0E:40:E3:72:DA:B3:43:B9: DE:03:88:14:BA:A1:43:C7
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-GCM-SHA384 · Checked 2026-10-05T23:42:35+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
698
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
2159
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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