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

facebook.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=*.facebook.com
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2026-08-23T00:00:00+00:00
Expires
2026-11-21T23:59:59+00:00
Days remaining
8
Serial (hex)
031450F58523FBB47E3A07D14F77DB2C
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

1B:D7:39:86:83:2C:F1:A2:E5:5D:C9:6F:48:C5:59:AA:98:C5:77:F4:FA:18:DD:45:95:12:37:5C:42:84:16:E4
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
F0:56:87:62:C3:D4:D0:02:1E:05:14:6B:CC:D0:4D:B8:2D:D8:3F:BE
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 23 00:14:41.814 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:68:F7:CE:1D:A2:E9:B5:74:F6:04:A7:CD: 77:03:10:34:E4:81:D8:B6:50:A4:D1:04:9B:2F:AF:85: E7:F7:7A:B1:02:21:00:86:D9:14:6D:B7:88:C9:30:03: 46:D6:22:3F:2F:FC:85:1E:21:05:A6:0F:BB:0F:52:B5: 6F:97:8D:C7:C0:60:FE Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D8:09:55:3B:94:4F:7A:FF:C8:16:19:6F:94:4F:85:AB: B0:F8:FC:5E:87:55:26:0F:15:D1:2E:72:BB:45:4B:14 Timestamp : Aug 23 00:14:41.846 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:09:3C:FF:F6:F7:53:61:B3:30:F9:4E:5B: BF:DA:98:F4:8B:73:7D:BA:D0:91:0C:C6:CA:ED:13:F5: 90:66:AA:6C:02:20:0B:4E:ED:31:14:BB:96:70:E7:51: 93:AD:84:36:80:DD:77:94:63:75:D5:65:76:1F:61:F9: 27:BD:DC:9A:46:01 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 23 00:14:41.844 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:86:B5:10:81:11:0E:6E:0B:3C:6B:CF: B6:EC:59:45:81:48:21:60:2F:EA:B7:DA:DE:90:EE:40: D2:BD:75:49:68:02:21:00:E9:CA:E4:5B:64:2F:E3:C5: 2E:BA:59:0A:0F:A4:73:C2:C0:B9:50:C6:B2:78:57:43: 0B:24:78:C2:2C:AB:1E:97
-----BEGIN CERTIFICATE-----
MIIGpjCCBY6gAwIBAgIQAxRQ9YUj+7R+OgfRT3fbLDANBgkqhkiG9w0BAQsFADBZ
MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMTMwMQYDVQQDEypE
aWdpQ2VydCBHbG9iYWwgRzIgVExTIFJTQSBTSEEyNTYgMjAyMCBDQTEwHhcNMjYw
ODIzMDAwMDAwWhcNMjYxMTIxMjM1OTU5WjBvMQswCQYDVQQGEwJVUzETMBEGA1UE
CBMKQ2FsaWZvcm5pYTETMBEGA1UEBxMKTWVubG8gUGFyazEdMBsGA1UEChMUTWV0
YSBQbGF0Zm9ybXMsIEluYy4xFzAVBgNVBAMMDiouZmFjZWJvb2suY29tMFkwEwYH
KoZIzj0CAQYIKoZIzj0DAQcDQgAEOB2IcHN8ahj7U1ZA4NxMjEyqRCCxvtUpQI1u
SazDIoGoVtp3TS+VSbR0Gs15IjKSuZB+lsM5FaZI9+I60eGPvKOCBB0wggQZMB8G
A1UdIwQYMBaAFHSFgMBmx9833s+9KTeqAx2+7c0XMB0GA1UdDgQWBBTwVodiw9TQ
Ah4FFGvM0E24Ldg/vjCBtQYDVR0RBIGtMIGqgg4qLmZhY2Vib29rLmNvbYIOKi5m
YWNlYm9vay5uZXSCCyouZmJjZG4ubmV0ggsqLmZic2J4LmNvbYIQKi5tLmZhY2Vi
b29rLmNvbYIPKi5tZXNzZW5nZXIuY29tgg4qLnh4LmZiY2RuLm5ldIIOKi54eS5m
YmNkbi5uZXSCDioueHouZmJjZG4ubmV0ggxmYWNlYm9vay5jb22CDW1lc3Nlbmdl
ci5jb20wPgYDVR0gBDcwNTAzBgZngQwBAgIwKTAnBggrBgEFBQcCARYbaHR0cDov
L3d3dy5kaWdpY2VydC5jb20vQ1BTMA4GA1UdDwEB/wQEAwIDiDATBgNVHSUEDDAK
BggrBgEFBQcDATCBnwYDVR0fBIGXMIGUMEigRqBEhkJodHRwOi8vY3JsMy5kaWdp
Y2VydC5jb20vRGlnaUNlcnRHbG9iYWxHMlRMU1JTQVNIQTI1NjIwMjBDQTEtMS5j
cmwwSKBGoESGQmh0dHA6Ly9jcmw0LmRpZ2ljZXJ0LmNvbS9EaWdpQ2VydEdsb2Jh
bEcyVExTUlNBU0hBMjU2MjAyMENBMS0xLmNybDCBhwYIKwYBBQUHAQEEezB5MCQG
CCsGAQUFBzABhhhodHRwOi8vb2NzcC5kaWdpY2VydC5jb20wUQYIKwYBBQUHMAKG
RWh0dHA6Ly9jYWNlcnRzLmRpZ2ljZXJ0LmNvbS9EaWdpQ2VydEdsb2JhbEcyVExT
UlNBU0hBMjU2MjAyMENBMS0xLmNydDAMBgNVHRMBAf8EAjAAMIIBfgYKKwYBBAHW
eQIEAgSCAW4EggFqAWgAdgDCMX5XRRmjRe5/ON6ykEHrx8IhWiK/f9W1rXaa2Q5S
zQAAAaAr+DSWAAAEAwBHMEUCIGj3zh2i6bV09gSnzXcDEDTkgdi2UKTRBJsvr4Xn
93qxAiEAhtkUbbeIyTADRtYiPy/8hR4hBaYPuw9StW+XjcfAYP4AdQDYCVU7lE96
/8gWGW+UT4WrsPj8XodVJg8V0S5yu0VLFAAAAaAr+DS2AAAEAwBGMEQCIAk8//b3
U2GzMPlOW7/amPSLc3260JEMxsrtE/WQZqpsAiALTu0xFLuWcOdRk62ENoDdd5Rj
ddVldh9h+Se93JpGAQB3AJROQ4f67MHvgfMZJCaoGGUBx9NfOAIBP3JnfVU3LhnY
AAABoCv4NLQAAAQDAEgwRgIhAIa1EIERDm4LPGvPtuxZRYFIIWAv6rfa3pDuQNK9
dUloAiEA6crkW2Qv48UuulkKD6RzwsC5UMayeFdDCyR4wiyrHpcwDQYJKoZIhvcN
AQELBQADggEBAATtYDtXMjidkN/py3rUdQT0gK4fvU66hFC3fJP+kPVhpBE6faWg
o9/9x7gHUapWNbkFrpsbhU5gBVGEIMRsZlMjYvOFnlNw7wJCr2MddztL044E+hPF
9rM+vOafW18TN89z9A99GUS+w037EpDYbrpWZDNmUKbVJnonj8NYi7mqRneVbRfF
QulCw2wjO1MNkekl8VtsOzfR7YdGkIUqfAhkb9yLe+hGhMwEI3dZR8KdSjCN56M2
29FwXelH+/ZwVIQM9rM67DVrLhZWWCxC4xP/xozr7kYXLORiCzBH9ZYHxm2riUtU
6Y5G8kuuyD4zEkrZBwY31E8psYGhAnQxwko=
-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-11-13T23:46:48+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
1597
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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