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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

fb.com · 57.144.222.1:443

Verified
The certificate expires within 30 days.

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

Subject
C=US ST=California L=Menlo Park O=Meta Platforms, Inc. CN=*.fb.com
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2026-07-05T00:00:00+00:00
Expires
2026-10-03T23:59:59+00:00
Days remaining
7
Serial (hex)
065A3FD1E988B6239997C24091C1EA60
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.fb.com, DNS:fb.com

SHA-256 fingerprint

ED:5F:37:AE:66:8F:F7:1B:07:AA:C1:98:23:D8:39:B4:06:3F:1F:8F:26:1A:F9:62:CD:53:77:FC:1A:78:51:D9
Certificate extensions & PEM
authorityKeyIdentifier
74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
subjectKeyIdentifier
71:DA:C2:2F:51:43:AC:B1:53:BB:A9:70:10:22:D6:27:95:C3:88:6F
subjectAltName
DNS:*.fb.com, DNS:fb.com
certificatePolicies
Policy: 2.23.140.1.2.2 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl Full Name: URI:http://crl4.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crt
basicConstraints
CA:FALSE
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 : Jul 5 00:32:08.407 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:16:1B:22:F5:09:2D:41:88:08:15:71:75: C4:79:05:B0:7A:10:BC:88:AC:12:8D:47:A0:38:90:EC: 79:19:19:78:02:20:27:B9:AC:60:48:1D:E8:BE:0D:FB: D5:56:FA:BA:1E:94:D5:F5:26:FC:37:4C:DE:3C:FD:51: AA:E4:2A:40:5A:9A Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9: 82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77 Timestamp : Jul 5 00:32:08.359 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:4A:FA:69:C1:97:1A:18:84:6F:0D:B1:5B: A9:F9:A0:2F:C7:24:F7:D0:E0:61:64:BC:9C:2A:F8:90: F3:9A:AB:5C:02:21:00:93:75:21:35:4F:EF:09:EF:4F: 81:1D:FE:6C:1E:C3:B1:CB:74:3C:90:1C:03:AF:26:76: 0D:D8:42:45:AC:8F:FB Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 94:4E:43:87:FA:EC:C1:EF:81:F3:19:24:26:A8:18:65: 01:C7:D3:5F:38:02:01:3F:72:67:7D:55:37:2E:19:D8 Timestamp : Jul 5 00:32:08.414 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:01:A7:DC:E5:5C:72:E7:36:8A:A4:36:09: 1B:0A:E5:02:75:7D:0B:B0:91:B2:FF:D6:B4:E7:8F:5E: 7F:BF:1E:22:02:21:00:DF:82:07:24:9C:F8:3A:91:AA: A3:CD:6C:5C:D2:97:59:5D:1F:01:9A:8A:35:34:C7:D1: 48:EB:5D:B4:A5:6D:AB
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-26T09:42:05+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2021-03-30T00:00:00+00:00
Expires
2031-03-29T23:59:59+00:00
Days remaining
1645
Serial (hex)
0CF5BD062B5602F47AB8502C23CCF066
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

C8:02:5F:9F:C6:5F:DF:C9:5B:3C:A8:CC:78:67:B9:A5:87:B5:27:79:73:95:79:17:46:3F:C8:13:D0:B6:25:A9
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
authorityKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalRootG2.crt
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: 2.16.840.1.114412.2.1 Policy: 2.23.140.1.1 Policy: 2.23.140.1.2.1 Policy: 2.23.140.1.2.2 Policy: 2.23.140.1.2.3
-----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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