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

dorob.de · 89.36.33.33:443

Verified

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

Subject
CN=dorob.de
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-09-26T08:19:53+00:00
Expires
2026-12-25T08:19:52+00:00
Days remaining
72
Serial (hex)
06A65ED4521911712289E09310A7F63128A7
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:domain-robot.at, DNS:domain-robot.de, DNS:domainrobot.de, DNS:dorob.de, DNS:dorob.eu, DNS:robot.dawox.net, DNS:robot.reg.at, DNS:robot.reg.de, DNS:robot.reg.eu, DNS:robot.st-hosting.com, DNS:www.domain-robot.at, DNS:www.domain-robot.de, DNS:www.domainrobot.de, DNS:www.dorob.de, DNS:www.dorob.eu

SHA-256 fingerprint

3A:DD:9F:53:A4:BC:9E:F7:A5:B4:88:4B:59:52:DC:8B:49:81:FC:D4:64:2A:8C:79:D1:68:2E:C6:9B:C5:44:D0
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
1C:74:4A:ED:DD:CE:E1:78:7C:F6:DA:9A:D2:4F:9F:98:90:60:9E:D6
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:domain-robot.at, DNS:domain-robot.de, DNS:domainrobot.de, DNS:dorob.de, DNS:dorob.eu, DNS:robot.dawox.net, DNS:robot.reg.at, DNS:robot.reg.de, DNS:robot.reg.eu, DNS:robot.st-hosting.com, DNS:www.domain-robot.at, DNS:www.domain-robot.de, DNS:www.domainrobot.de, DNS:www.dorob.de, DNS:www.dorob.eu
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/40.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 : Sep 26 09:18:23.698 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:45:0C:76:47:B8:26:B7:69:BF:4A:28:96: 32:0B:CC:E4:28:CF:6A:26:88:96:EF:D0:D0:22:12:89: C8:CE:CE:73:02:21:00:E1:2C:2C:A3:86:CE:56:8B:00: F3:13:01:63:98:17:98:93:AF:82:BE:74:33:76:EA:8C: 4E:B5:AB:B6:D5:0E:38 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 1A:8B:9D:6B:0F:FE:BF:81:B4:79:39:C6:D2:31:0A:86: D6:D1:02:D4:F0:46:E2:18:2C:9D:E3:5F:5E:26:25:EF Timestamp : Sep 26 09:18:24.363 2026 GMT Extensions: 00:00:05:00:45:5C:13:16 Signature : ecdsa-with-SHA256 30:46:02:21:00:EB:34:52:1E:8E:01:3E:3F:C4:B6:CC: 61:35:6C:88:D2:CF:F6:39:FC:F4:F5:ED:46:84:E0:AF: 70:66:FE:C8:34:02:21:00:88:4F:BF:7E:3F:29:1E:DB: B8:F1:A9:99:97:F5:A1:FC:A0:A4:86:F8:08:C2:20:7D: 88:32:9B:80:A2:DE:A6:3E
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-13T13:12:06+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
690
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
2151
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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