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

ph.com.ph · 45.79.222.138:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed

Certificate verification failed

Subject
CN=ph.com.ph
Issuer
C=US O=Let's Encrypt CN=YE2
Valid from
2026-08-11T00:00:57+00:00
Expires
2026-11-09T00:00:56+00:00
Days remaining
39
Serial (hex)
06EA09539ACDB0C3684323BCDF36A0C40F8F
Signature
ecdsa-with-SHA384
Public key
EC 256 prime256v1

Subject alternative names (SAN)

DNS:ph.com.ph

SHA-256 fingerprint

C5:64:5A:3B:ED:59:94:D6:B1:49:5D:FB:56:DB:30:34:73:69:2B:1A:C7:EE:D6:1F:45:F9:C9:BC:62:BD:9A:36
Certificate extensions & PEM
keyUsage
Digital Signature
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
B5:FF:A0:F3:E8:65:23:0B:9D:08:AD:E5:16:0F:02:C2:26:62:6F:D4
authorityKeyIdentifier
B9:59:F2:8E:CF:22:F0:86:D3:37:48:FF:76:14:18:BA:82:D8:55:87
authorityInfoAccess
CA Issuers - URI:http://ye2.i.lencr.org/
subjectAltName
DNS:ph.com.ph
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://ye2.c.lencr.org/16.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : CB:38:F7:15:89:7C:84:A1:44:5F:5B:C1:DD:FB:C9:6E: F2:9A:59:CD:47:0A:69:05:85:B0:CB:14:C3:14:58:E7 Timestamp : Aug 11 00:59:27.954 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:E5:2B:9F:83:7F:30:D7:00:A7:F1:B4: 3D:08:58:5E:61:A0:5C:C8:1E:15:90:83:7C:3C:3A:C3: F9:1D:B8:D6:D0:02:20:15:48:DD:9C:F7:09:48:E8:69: 52:1E:BA:C3:9B:55:54:5B:F4:D8:94:0D:26:6A:19:22: AD:32:32:7C:46:69:DC Signed Certificate Timestamp: Version : v1 (0x0) Log ID : A8:26:CB:E3:0A:C6:35:12:46:53:3F:E0:65:F1:4F:19: D9:6E:19:08:13:C4:1D:D9:6D:79:00:B3:12:3C:55:27 Timestamp : Aug 11 00:59:28.030 2026 GMT Extensions: 00:00:05:00:1A:94:72:4A Signature : ecdsa-with-SHA256 30:46:02:21:00:E9:08:46:22:B4:02:C6:1B:46:6F:DD: 43:98:37:F7:5B:49:5F:57:04:76:B3:EF:3D:27:7C:D5: 08:C0:DE:B4:75:02:21:00:DF:67:93:8D:29:91:8D:40: 9D:19:9D:B5:A9:02:A8:69:5C:9B:7B:DC:56:E0:9E:0B: B5:F7:DD:8F:17:9D:76:B6
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-30T21:53:11+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YE2
Issuer
C=US O=ISRG CN=Root YE
Valid from
2025-09-03T00:00:00+00:00
Expires
2028-09-02T23:59:59+00:00
Days remaining
703
Serial (hex)
4DF3B15DD6C0784C507CD37B58E6F115
Signature
ecdsa-with-SHA384
Public key
EC 384 secp384r1

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

97:65:8D:E8:C6:8D:FA:98:AC:E1:E5:02:8A:63:D5:4A:1A:AE:91:1B:3E:21:47:10:76:C6:85:0C:D0:8C:BA:B4
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
B9:59:F2:8E:CF:22:F0:86:D3:37:48:FF:76:14:18:BA:82:D8:55:87
authorityKeyIdentifier
A3:C8:26:5A:8E:A1:4C:D0:35:63:FC:9B:23:C8:3A:AE:56:F3:4F:56
authorityInfoAccess
CA Issuers - URI:http://ye.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://ye.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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