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

any-cast.net · 193.33.95.12:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate subjectAltName did not match expected name `any-cast.net'

Certificate verification failed

Subject
CN=4b42.com
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-10-24T10:31:13+00:00
Expires
2027-01-22T10:31:12+00:00
Days remaining
73
Serial (hex)
05A711B105E8B1F755C1EBCFE1FAE460DB51
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.4b42.at, DNS:*.4b42.biz, DNS:*.4b42.com, DNS:*.4b42.net, DNS:*.4ixp.net, DNS:*.vnc.li, DNS:4b42.at, DNS:4b42.biz, DNS:4b42.com, DNS:4b42.info, DNS:4b42.net, DNS:4ixp.net

SHA-256 fingerprint

E4:54:7E:9A:4B:9B:D5:C9:9C:2B:EC:80:D6:4C:13:3D:64:9E:85:EC:3A:89:DC:27:0E:76:C9:8E:65:FC:CC:95
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
D1:51:75:E3:F4:64:3A:8C:BB:5C:34:FB:84:4D:B1:7B:FC:BE:75:07
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:*.4b42.at, DNS:*.4b42.biz, DNS:*.4b42.com, DNS:*.4b42.net, DNS:*.4ixp.net, DNS:*.vnc.li, DNS:4b42.at, DNS:4b42.biz, DNS:4b42.com, DNS:4b42.info, DNS:4b42.net, DNS:4ixp.net
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/82.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 46:A2:39:67:C6:0D:B6:46:87:C6:6F:3D:F9:99:94:76: 93:A6:A6:11:20:84:57:D5:55:E7:E3:D0:A1:D9:B6:46 Timestamp : Oct 24 11:29:43.264 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:93:E6:CF:8C:EF:D8:0D:17:0F:13:F8: 96:5F:3C:CB:6A:A7:E0:F5:02:58:6F:3C:F7:A4:33:1E: 48:EC:20:BD:B5:02:21:00:E1:7C:06:C5:02:AE:B6:A1: BC:25:78:06:F7:58:6D:DB:B6:61:05:05:F7:AB:FF:8B: 3B:75:76:60:DF:29:31:D1 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 59:6E:6C:33:86:94:B2:59:72:A2:56:C8:A0:E8:DD:90: 4A:76:E8:08:3D:DA:87:3B:01:08:38:28:14:3C:EE:59 Timestamp : Oct 24 11:29:43.449 2026 GMT Extensions: 00:00:05:00:13:FA:1B:0E Signature : ecdsa-with-SHA256 30:44:02:20:26:04:4F:7D:EB:19:3A:19:7A:62:6E:B4: 83:63:5E:99:5D:8E:51:8C:5A:ED:2A:32:5E:31:1B:40: C7:99:B1:40:02:20:4B:58:A9:62:E2:D0:43:6C:DC:81: 17:09:6F:D4:3A:8E:A9:11:50:98:4B:A1:3C:E3:85:75: A3:DB:53:A1:1D:63
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-11-09T16:10:26+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
663
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
2124
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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