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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

bayantel.com.ph · 172.238.172.58:443

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=bayantel.com.ph
Issuer
C=US O=Let's Encrypt CN=YE1
Valid from
2026-09-03T06:49:37+00:00
Expires
2026-12-02T06:49:36+00:00
Days remaining
55
Serial (hex)
06852D54CB6D8D54A57B6F7CDF4407FD9BBF
Signature
ecdsa-with-SHA384
Public key
EC 256 prime256v1

Subject alternative names (SAN)

DNS:bayantel.com.ph

SHA-256 fingerprint

3F:6A:A7:D4:2D:24:E1:FF:83:F0:DA:97:9E:2C:D1:8F:4C:01:B4:0E:7F:7C:61:6F:58:4C:18:1A:40:40:E8:D6
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
BB:20:CA:47:0B:FE:D7:E5:9C:F9:8F:09:2A:A3:8C:37:45:B1:BC:D8
authorityInfoAccess
CA Issuers - URI:http://ye1.i.lencr.org/
subjectAltName
DNS:bayantel.com.ph
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://ye1.c.lencr.org/64.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C8:A3:C4:7F:C7:B3:AD:B9:35:6B:01:3F:6A:7A:12:6D: E3:3A:4E:43:A5:C6:46:F9:97:AD:39:75:99:1D:CF:9A Timestamp : Sep 3 07:48:07.297 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:A9:81:47:FD:00:D1:13:F6:B5:A9:BC: CD:19:E4:3C:0D:E9:D4:13:B8:A3:15:B4:C1:DF:A1:A2: EC:7A:01:93:49:02:21:00:BF:E7:3E:60:7A:C2:EB:52: 1B:49:0A:52:B9:89:9D:A0:9F:06:A6:2E:EB:1E:34:00: 6C:6F:FA:22:B5:87:96:E9 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 46:AF:86:3D:3B:3E:E5:9F:A5:77:DE:A8:24:5D:36:B0: D9:ED:22:A2:23:F4:61:77:41:22:94:52:EE:95:50:5F Timestamp : Sep 3 07:48:07.352 2026 GMT Extensions: 00:00:05:00:23:C1:B8:C5 Signature : ecdsa-with-SHA256 30:44:02:20:31:3F:F6:96:17:C0:C0:A5:08:A4:B4:40: 7D:A4:3A:43:BD:73:CC:77:85:0F:FB:46:CA:24:EE:24: 01:32:7A:28:02:20:51:3B:C1:2D:88:ED:1A:DE:A0:99: E6:C0:C9:1F:D5:66:0B:06:9F:8D:58:F2:CB:11:70:F3: 92:18:E0:4B:62:4C
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-07T20:43:17+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YE1
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
696
Serial (hex)
5DDD70DD31F801C85C186A7A04B80AFE
Signature
ecdsa-with-SHA384
Public key
EC 384 secp384r1

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

A2:37:2D:06:43:1E:97:16:36:5E:EE:D4:7E:C0:20:35:14:97:D1:82:FC:C0:38:E4:57:E5:81:68:A0:3C:AC:07
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
BB:20:CA:47:0B:FE:D7:E5:9C:F9:8F:09:2A:A3:8C:37:45:B1:BC:D8
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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