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SSL check results of umwelt.xkcd.com

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Discover if the webservers of umwelt.xkcd.com can be reached through a secure connection.

Summary

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Report created Mon, 17 Mar 2025 18:44:33 +0000

The webservers of umwelt.xkcd.com can be reached through a secure connection.

Servers

Hostname / IP address Certificates Protocol
umwelt.xkcd.com
34.32.177.149
 paraws.sciesnet.net
HSTS
missing
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s
umwelt.xkcd.com
143.198.33.84
 paraws.sciesnet.net
HSTS
missing
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
3 s

Certificates

First seen at:

CN=paraws.sciesnet.net

Certificate chain
  • paraws.sciesnet.net
    • remaining
    • 256 bit
    • ecdsa-with-SHA384
      • E5
        • remaining
        • 384 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • paraws.sciesnet.net
Alternative Names
  • 3d.xkcd.com
  • c.xkcd.com
  • conservegravity.com
  • conservegravity.org
  • imgs.xkcd.com
  • m.xckd.com
  • m.xkcd.com
  • m.xkcd.net
  • m.xkcd.org
  • origin.imgs.xkcd.com
  • paraw-doc.sciesnet.net
  • paraw-gce.sciesnet.net
  • paraws.sciesnet.net
  • sslimgs.xkcd.com
  • umwelt.xkcd.com
  • uni.xkcd.com
  • what-if-origin.sciesnet.net
  • what-if.xkcd.com
  • whatif.xkcd.com
  • wiki.xkcd.com
  • www.3d.xkcd.com
  • www.conservegravity.com
  • www.conservegravity.org
  • www.imgs.xkcd.com
  • www.m.xckd.com
  • www.m.xkcd.com
  • www.m.xkcd.net
  • www.m.xkcd.org
  • www.uni.xkcd.com
  • www.what-if.xkcd.com
  • www.whatif.xkcd.com
  • www.wiki.xkcd.com
  • www.xckd.com
  • www.xk3d.xkcd.com
  • www.xkcd.com
  • www.xkcd.net
  • www.xkcd.org
  • xckd.com
  • xk3d.xkcd.com
  • xkcd.net
  • xkcd.org
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • E5
validity period
Not valid before
2025-03-07
Not valid after
2025-06-05
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
24:DB:8E:37:65:F0:22:82:F6:8E:CF:C5:E8:2B:45:55:34:34:51:CF:5E:E7:E8:0B:9A:6B:6C:EC:A2:6E:1B:D8
SHA1
44:BD:F6:FD:05:E6:3B:FA:00:3B:88:91:DD:5A:60:91:E5:F5:7E:F9
X509v3 extensions
subjectKeyIdentifier
  • 3D:5D:F1:8D:32:32:7B:22:BA:7A:24:D3:4D:CF:BE:82:CA:60:35:24
authorityKeyIdentifier
  • keyid:9F:2B:5F:CF:3C:21:4F:9D:04:B7:ED:2B:2C:C4:C6:70:8B:D2:D7:0D
authorityInfoAccess
  • OCSP - URI:http://e5.o.lencr.org
  • CA Issuers - URI:http://e5.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : A2:E3:0A:E4:45:EF:BD:AD:9B:7E:38:ED:47:67:77:53:
  • D7:82:5B:84:94:D7:2B:5E:1B:2C:C4:B9:50:A4:47:E7
  • Timestamp : Mar 7 11:44:37.781 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:5D:B4:85:61:20:52:0E:CA:E9:FF:2D:E9:
  • 66:34:21:E2:C0:35:81:17:71:7F:5F:EA:3E:1B:09:AF:
  • 4A:7F:30:61:02:21:00:AB:11:97:F1:87:F4:E5:50:44:
  • 47:DD:9D:00:F0:FD:A2:05:DA:B7:FB:21:54:3A:F5:8D:
  • 2C:C8:D9:AB:CB:AA:65
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 73:20:22:0F:08:16:8A:F9:F3:C4:A6:8B:0A:B2:6A:9A:
  • 4A:00:EE:F5:77:85:8A:08:4D:05:00:D4:A5:42:44:59
  • Timestamp : Mar 7 11:44:39.790 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:A7:25:89:15:3A:8C:4E:7E:2D:EC:8D:
  • FB:B4:96:14:DB:2C:41:D2:31:1E:B6:1E:60:9C:76:29:
  • 42:4E:33:86:4B:02:21:00:E8:E6:E5:96:4F:1B:26:33:
  • EE:0A:B3:F7:8E:E9:22:79:4D:0D:14:6C:CF:3F:38:14:
  • 97:EC:88:F3:1B:71:0D:0D
First seen at:

CN=paraws.sciesnet.net

Certificate chain
  • paraws.sciesnet.net
    • remaining
    • 256 bit
    • ecdsa-with-SHA384
      • E5
        • remaining
        • 384 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • paraws.sciesnet.net
Alternative Names
  • 3d.xkcd.com
  • c.xkcd.com
  • conservegravity.com
  • conservegravity.org
  • imgs.xkcd.com
  • m.xckd.com
  • m.xkcd.com
  • m.xkcd.net
  • m.xkcd.org
  • origin.imgs.xkcd.com
  • paraw-doc.sciesnet.net
  • paraw-gce.sciesnet.net
  • paraws.sciesnet.net
  • sslimgs.xkcd.com
  • umwelt.xkcd.com
  • uni.xkcd.com
  • what-if-origin.sciesnet.net
  • what-if.xkcd.com
  • whatif.xkcd.com
  • wiki.xkcd.com
  • www.3d.xkcd.com
  • www.conservegravity.com
  • www.conservegravity.org
  • www.imgs.xkcd.com
  • www.m.xckd.com
  • www.m.xkcd.com
  • www.m.xkcd.net
  • www.m.xkcd.org
  • www.uni.xkcd.com
  • www.what-if.xkcd.com
  • www.whatif.xkcd.com
  • www.wiki.xkcd.com
  • www.xckd.com
  • www.xk3d.xkcd.com
  • www.xkcd.com
  • www.xkcd.net
  • www.xkcd.org
  • xckd.com
  • xk3d.xkcd.com
  • xkcd.net
  • xkcd.org
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • E5
validity period
Not valid before
2025-03-08
Not valid after
2025-06-06
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
63:4E:D4:53:0E:AE:B6:88:5A:83:E3:EB:77:AC:C3:34:05:50:81:4D:0D:4C:1A:10:5D:19:C8:59:D0:9B:59:1F
SHA1
67:5F:6D:28:57:26:82:F4:5B:37:9B:CC:3C:57:CB:D7:51:B8:97:BC
X509v3 extensions
subjectKeyIdentifier
  • 55:64:28:B1:F9:A5:31:A6:42:D8:2A:EB:8A:3E:DF:6B:F1:67:12:D9
authorityKeyIdentifier
  • keyid:9F:2B:5F:CF:3C:21:4F:9D:04:B7:ED:2B:2C:C4:C6:70:8B:D2:D7:0D
authorityInfoAccess
  • OCSP - URI:http://e5.o.lencr.org
  • CA Issuers - URI:http://e5.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : A2:E3:0A:E4:45:EF:BD:AD:9B:7E:38:ED:47:67:77:53:
  • D7:82:5B:84:94:D7:2B:5E:1B:2C:C4:B9:50:A4:47:E7
  • Timestamp : Mar 8 02:50:03.172 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:73:DD:7C:03:96:D7:22:C6:56:2C:65:BF:
  • A1:A7:5B:98:B0:4E:A4:72:95:D1:E2:AC:A7:C0:43:EF:
  • 5A:3C:37:D7:02:21:00:E5:73:F9:92:04:E9:DD:CA:56:
  • 49:FB:02:01:03:90:DD:30:F1:1D:8E:B7:F8:1F:7E:35:
  • DA:88:BD:9A:30:87:9F
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 4E:75:A3:27:5C:9A:10:C3:38:5B:6C:D4:DF:3F:52:EB:
  • 1D:F0:E0:8E:1B:8D:69:C0:B1:FA:64:B1:62:9A:39:DF
  • Timestamp : Mar 8 02:50:03.158 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:CF:18:6D:1E:0D:97:1E:77:3A:3A:CD:
  • 4A:6B:82:66:A3:F9:13:C6:78:E0:5F:E0:4D:B0:22:1B:
  • 84:FB:F6:43:BB:02:20:48:F7:8E:0F:36:2E:65:F7:C9:
  • 84:EA:47:51:FC:B9:70:CE:C4:2A:54:2F:98:8E:03:71:
  • F2:63:4B:7D:33:BC:1A