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

cusae.com · 91.109.120.51:443

Verified

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

Subject
CN=cusae.com
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-09-01T15:07:08+00:00
Expires
2026-11-30T15:07:07+00:00
Days remaining
68
Serial (hex)
06AB80EB54D0A49CD748A74595AA7FA620B0
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:*.cusae.com, DNS:*.intra.cusae.com, DNS:*.n.cusae.com, DNS:*.priv.cusae.com, DNS:*.ws.cusae.com, DNS:*.ws.intra.cusae.com, DNS:cusae.com

SHA-256 fingerprint

C5:6D:AF:B5:CA:B6:A6:40:9E:5F:E0:D3:C1:01:37:65:2B:2D:6F:A8:76:EE:48:FB:E7:D6:64:47:FC:35:80:7D
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
43:11:2F:5A:70:9A:8A:A1:73:6B:07:3D:83:37:A1:D7:E2:E6:D6:41
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:*.cusae.com, DNS:*.intra.cusae.com, DNS:*.n.cusae.com, DNS:*.priv.cusae.com, DNS:*.ws.cusae.com, DNS:*.ws.intra.cusae.com, DNS:cusae.com
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/49.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB: C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD Timestamp : Sep 1 16:05:38.331 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:78:91:55:43:78:41:2C:2C:2F:AF:38:DD: E9:19:47:9B:CE:E3:EC:96:91:C0:C5:BD:7C:20:92:AA: F3:13:F2:1F:02:20:5E:B3:C1:8F:C8:23:5F:59:2B:29: 5E:FE:F8:3D:72:09:1E:5D:85:78:5F:CB:47:8B:25:81: 26:2F:14:5C:95:C1 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 26:E3:64:6E:58:69:21:23:BC:34:3F:47:24:35:9B:37: 92:CD:24:5A:88:D8:15:D3:93:33:FD:99:18:AB:47:23 Timestamp : Sep 1 16:05:36.475 2026 GMT Extensions: 00:00:05:00:3B:AE:E0:32 Signature : ecdsa-with-SHA256 30:44:02:20:57:DD:F7:9D:59:64:10:49:A8:50:4F:DD: C7:A9:B2:C7:95:23:24:FB:D7:F9:C8:6B:DF:C9:2B:15: 9B:F0:82:46:02:20:59:66:2B:54:AA:E0:5E:26:10:8E: FF:D2:CC:30:A4:74:D7:18:44:B6:45:9E:51:DA:74:BA: 28:62:9B:FD:44:2B
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-22T23:26:01+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
711
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
2172
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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