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

javafolk.net · 129.121.81.156:443

Verified

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

Subject
CN=autodiscover.javafolk.net
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-10-22T16:29:18+00:00
Expires
2027-01-20T16:29:17+00:00
Days remaining
77
Serial (hex)
05753EBAAFBA6ECE1EE0787C331752F9789D
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:autoconfig.backupix.net, DNS:autoconfig.javafolk.net, DNS:autodiscover.backupix.net, DNS:autodiscover.javafolk.net, DNS:backupix.net, DNS:cpanel.backupix.net, DNS:cpanel.javafolk.net, DNS:cpcalendars.backupix.net, DNS:cpcalendars.javafolk.net, DNS:cpcontacts.backupix.net, DNS:cpcontacts.javafolk.net, DNS:javafolk.net, DNS:mail.backupix.net, DNS:mail.javafolk.net, DNS:webdisk.backupix.net, DNS:webdisk.javafolk.net, DNS:webmail.backupix.net, DNS:webmail.javafolk.net, DNS:website-66923183.lqt.kjf.temporary.site, DNS:website-8d014c9b.lqt.kjf.temporary.site, DNS:www.backupix.net, DNS:www.javafolk.net, DNS:www.website-66923183.lqt.kjf.temporary.site, DNS:www.website-8d014c9b.lqt.kjf.temporary.site

SHA-256 fingerprint

40:2E:D4:1B:3D:3A:9E:2F:5A:03:58:9B:B9:F5:1E:2A:0B:CC:70:90:4D:01:F1:1B:11:52:17:A9:3F:7A:A4:BE
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
BE:A2:E8:98:2D:62:43:CE:B0:19:DE:88:B7:DE:BA:B9:7B:58:35:A5
authorityKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
authorityInfoAccess
CA Issuers - URI:http://yr2.i.lencr.org/
subjectAltName
DNS:autoconfig.backupix.net, DNS:autoconfig.javafolk.net, DNS:autodiscover.backupix.net, DNS:autodiscover.javafolk.net, DNS:backupix.net, DNS:cpanel.backupix.net, DNS:cpanel.javafolk.net, DNS:cpcalendars.backupix.net, DNS:cpcalendars.javafolk.net, DNS:cpcontacts.backupix.net, DNS:cpcontacts.javafolk.net, DNS:javafolk.net, DNS:mail.backupix.net, DNS:mail.javafolk.net, DNS:webdisk.backupix.net, DNS:webdisk.javafolk.net, DNS:webmail.backupix.net, DNS:webmail.javafolk.net, DNS:website-66923183.lqt.kjf.temporary.site, DNS:website-8d014c9b.lqt.kjf.temporary.site, DNS:www.backupix.net, DNS:www.javafolk.net, DNS:www.website-66923183.lqt.kjf.temporary.site, DNS:www.website-8d014c9b.lqt.kjf.temporary.site
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/30.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F: AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26 Timestamp : Oct 22 17:27:48.621 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:65:E3:12:6F:CA:03:F6:71:36:A3:B9:E7: 5A:68:15:47:9B:69:A1:52:41:0B:0E:A3:89:E3:21:E9: 92:A5:A5:5F:02:20:7B:CA:5F:24:6A:21:EB:2F:9C:CC: 6D:B4:A5:91:C8:94:27:9F:DE:22:56:BD:61:23:E7:2D: 6B:28:42:D2:47:9B Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 1A:8B:9D:6B:8D:D7:91:D1:CD:05:49:ED:B6:03:55:D6: 06:B6:4F:AD:30:DB:71:FE:78:8F:0F:C7:C8:FB:C4:B1 Timestamp : Oct 22 17:27:49.740 2026 GMT Extensions: 00:00:05:00:0C:23:00:FD Signature : ecdsa-with-SHA256 30:45:02:21:00:A9:61:4B:8E:2F:05:87:18:D5:1C:C2: DE:29:D8:31:5B:30:64:62:68:17:8B:14:CB:0C:0B:6B: E1:4A:3E:EF:4E:02:20:76:19:4B:F0:84:51:63:70:D8: 2C:EF:B2:53:40:5B:52:B7:A9:0D:D8:8B:88:64:96:B7: 59:16:54:F2:97:70:B0
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-04T06:56:13+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YR2
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
668
Serial (hex)
4EBD24947E24D394802D84A52FD5B319
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

23:8B:85:A0:09:9C:65:B9:70:47:7D:57:24:F1:A1:D4:75:CE:50:58:CF:FE:4E:FA:87:33:89:9B:DB:86:3C:47
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
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
2129
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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