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

greenwebspace.net · 91.239.118.10:443

Verified

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

Subject
CN=greenwebspace.com
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-10-24T09:06:57+00:00
Expires
2027-01-22T09:06:56+00:00
Days remaining
80
Serial (hex)
06E0E25A5D73B56F25376161109A0F6C30DF
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.greenwebspace.at, DNS:*.greenwebspace.ch, DNS:*.greenwebspace.com, DNS:*.greenwebspace.de, DNS:*.greenwebspace.eu, DNS:*.greenwebspace.net, DNS:*.greenwebspace.org, DNS:greenwebspace.at, DNS:greenwebspace.ch, DNS:greenwebspace.com, DNS:greenwebspace.de, DNS:greenwebspace.eu, DNS:greenwebspace.net, DNS:greenwebspace.org

SHA-256 fingerprint

71:1C:97:C6:D3:61:2A:FF:41:B6:9C:49:EE:B9:91:06:7A:74:8B:86:A6:44:19:20:0B:72:23:8A:B9:61:44:B7
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
6D:AB:BA:AD:C3:59:0F:44:F3:16:BE:34:1A:54:72:58:03:5E:5F:5C
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:*.greenwebspace.at, DNS:*.greenwebspace.ch, DNS:*.greenwebspace.com, DNS:*.greenwebspace.de, DNS:*.greenwebspace.eu, DNS:*.greenwebspace.net, DNS:*.greenwebspace.org, DNS:greenwebspace.at, DNS:greenwebspace.ch, DNS:greenwebspace.com, DNS:greenwebspace.de, DNS:greenwebspace.eu, DNS:greenwebspace.net, DNS:greenwebspace.org
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/96.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 44:C2:BD:0C:E9:14:0E:64:A5:C9:4A:01:93:0A:5A:A1: BB:35:97:0E:00:EE:11:16:89:68:2A:1C:44:D7:B5:66 Timestamp : Oct 24 10:05:27.691 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:80:C6:52:B2:A8:1A:38:70:0C:74:2B: 3B:0A:EB:01:1A:97:C2:26:F3:0C:D3:E8:89:D6:D2:91: 71:1F:2D:08:1B:02:20:2F:0D:42:8C:4C:D0:DE:6E:AF: 24:F3:48:7B:8F:F3:7F:E6:00:4A:4B:47:AC:86:1A:B3: 01:CB:3E:93:74:D8:B4 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 44:E8:22:FC:2B:AB:0E:92:EE:D0:E9:FA:D6:96:64:60: 27:76:D0:17:60:E0:89:05:09:C9:23:A1:B0:3F:C3:7F Timestamp : Oct 24 10:05:24.615 2026 GMT Extensions: 00:00:05:00:0F:19:7E:6B Signature : ecdsa-with-SHA256 30:44:02:20:6E:F6:34:D1:0E:49:90:5E:D4:4C:51:2C: CD:CD:15:26:95:D1:CD:01:DF:83:21:B6:A8:42:7A:11: 78:A0:D3:03:02:20:1F:79:97:40:8C:7F:69:AE:97:B6: 6D:E5:C9:D7:6B:B6:B0:60:41:26:8B:78:51:3E:B1:35: A8:C6:8D:D8:66:A3
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-11-02T19:37:44+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
670
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
2131
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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