SSL certificate check


Protocol:
Best possible TLS 1.3 TLS 1.2 TLS 1.1 (obsolete) TLS 1.0 (obsolete)

SSL check of 'facebook.com'

Multiple A-records!

The domain 'facebook.com' has severals A/AAAA-records - and thereby multiple IP's to check.

selected
31.13.80.36

Certificat warning

Certificat '*.facebook.com' SUCCEDED the verification, but raised some warnings: Certificate will expire soon!

Certificate retrival

  • Certificate '*.facebook.com' retrived from https://facebook.com/ (31.13.80.36) using TLS 1.3, in a total of 160ms.

Basic verification


Host:
facebook.com

Protocol:
TLS 1.3, cipher algorithm AES128

Verification:
Succeeded!

Chain of certificates

3 of 3 - End-Entity
*.facebook.com

Certificat:
*.facebook.com, Meta Platforms, US

Issued by:
DigiCert SHA2 High Assurance Server CA, DigiCert Inc, US

Valid:
From 09-01-2023 to 03-04-2023

Verification:
Warning: Certificate will expire soon!

SAN's:
*.facebook.com *.facebook.net *.fbcdn.net *.fbsbx.com *.m.facebook.com *.messenger.com *.xx.fbcdn.net *.xy.fbcdn.net *.xz.fbcdn.net facebook.com messenger.com

Algorithm:
sha256RSA
Serial:
074F9487EB7DABDF4E489A788C72155C

2 of 3 - Intermediate
DigiCert SHA2 High Assurance Server CA

Certificat:
DigiCert SHA2 High Assurance Server CA, DigiCert Inc, US

Issued by:
DigiCert High Assurance EV Root CA, DigiCert Inc, US

Valid:
From 22-10-2013 to 22-10-2028

Verification:
Succeeded!

Algorithm:
sha256RSA
Serial:
04E1E7A4DC5CF2F36DC02B42B85D159F

1 of 3 - Root certificate
DigiCert High Assurance EV Root CA

Certificat:
DigiCert High Assurance EV Root CA, DigiCert Inc, US

Issued by:
DigiCert High Assurance EV Root CA, DigiCert Inc, US

Valid:
From 09-11-2006 to 09-11-2031

Verification:
Succeeded!

Algorithm:
sha1RSA
Serial:
02AC5C266A0B409B8F0B79F2AE462577

Log

  • Multiple A-records!
    Domain 'facebook.com' has several A-records, and thereby multiple IPs to check. IP 31.13.80.36 will be used.
  • SSL certificate fetched from 'https://facebook.com/', IP 31.13.80.36, using TLS 1.3.
  • Full chain of certificates has been loaded and verified in 142ms.
  • Host 'facebook.com' is matching Subject/SAN 'facebook.com' from certificate. All good!
  • Protocol TLS 1.3 verified okay!
  • Certificat warning
    Certificat '*.facebook.com' SUCCEDED the verification, but raised some warnings: Certificate will expire soon!