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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

thefacebook.com · 57.144.222.141:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate subjectAltName did not match expected name `thefacebook.com'
The certificate expires within 30 days.

Certificate verification failed

Subject
C=US ST=California L=Menlo Park O=Meta Platforms, Inc. CN=*.facebook.com
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2026-08-12T00:00:00+00:00
Expires
2026-11-10T23:59:59+00:00
Days remaining
7
Serial (hex)
0991782906D3BF6E7C0A32E4F4B0BC75
Signature
RSA-SHA256
Public key
EC 256 prime256v1

Subject alternative names (SAN)

DNS:*.facebook.com, DNS:*.facebook.net, DNS:*.fbcdn.net, DNS:*.fbsbx.com, DNS:*.m.facebook.com, DNS:*.messenger.com, DNS:*.xx.fbcdn.net, DNS:*.xy.fbcdn.net, DNS:*.xz.fbcdn.net, DNS:facebook.com, DNS:messenger.com

SHA-256 fingerprint

26:7E:D9:E1:E7:B1:10:4F:F6:C9:05:76:A4:7B:5E:74:4E:59:EB:20:06:C8:2D:C2:E5:CA:20:82:7B:78:7B:2A
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
62:FC:FF:3B:31:14:8C:1B:F7:C9:AE:6C:C2:3B:A2:AA:76:2A:F9:ED
subjectAltName
DNS:*.facebook.com, DNS:*.facebook.net, DNS:*.fbcdn.net, DNS:*.fbsbx.com, DNS:*.m.facebook.com, DNS:*.messenger.com, DNS:*.xx.fbcdn.net, DNS:*.xy.fbcdn.net, DNS:*.xz.fbcdn.net, DNS:facebook.com, DNS:messenger.com
certificatePolicies
Policy: 2.23.140.1.2.2 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Agreement
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 : Aug 12 00:07:25.050 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:4F:08:89:7B:67:D1:6D:75:DD:BF:62:0D: A2:89:8E:89:F6:1C:F0:12:D6:87:77:07:9D:F3:6B:75: C7:70:65:05:02:21:00:FA:97:88:7C:8C:5B:04:9F:5B: 27:7B:E6:5C:E7:CE:A1:DD:D3:01:09:C6:C6:18:B0:CA: 1C:EB:A5:25:DE:AB:3A 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 : Aug 12 00:07:25.036 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:32:40:5F:E2:37:D4:B9:06:50:10:F1:86: 25:61:FC:75:FB:0B:05:34:A7:D0:76:F0:26:3A:16:5F: D5:E1:05:C6:02:21:00:85:E6:BF:E1:6F:6B:1A:77:54: 57:11:58:70:C7:0B:DB:92:FB:4C:4D:F3:DB:49:A5:C3: D5:F8:E7:20:A1:32:AD 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 : Aug 12 00:07:25.094 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:6B:F4:91:61:A7:84:B5:1A:32:9A:A6:BF: 16:1D:8E:15:D2:90:F6:56:64:B6:75:7B:90:47:B8:FE: F3:7F:1B:32:02:21:00:94:1A:37:FF:FC:5E:45:B0:E4: 68:22:65:E7:C3:39:25:6D:5F:CE:E6:5A:C5:C3:87:A8: 0C:30:59:F7:73:D6:6E
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-11-03T07:56:25+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
1607
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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