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Cached
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just now
84/100
SECURITY SCORE
Detected Technologies
Certificate Information
Subject
CN=firebaseapp.com
Issuer
C=US, O=Google Trust Services, CN=WR4
Valid From
July 20, 2026
Valid Until
October 18, 2026
34 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
41:1A:A9:F5:A1:0A:E3:6C:32:69:52:DF:66:A5:16:11:47:55:A8:3A:03:C9:81:A5:A6:3B:77:0E:AC:52:93:26
Alternative Names
Security Configuration
TLS Protocols
TLS 1.2
TLS 1.3
Forward Secrecy
Supported
(Modern clients use PFS)
CAA Records (Certificate Authority Authorization)
CAA Records
Configured
(Restricts certificate issuance)
Current Issuer
Authorized
(Matches CAA policy)
Authorized CAs
comodoca.com
digicert.com
; cansignhttpexchanges=yes
letsencrypt.org
pki.goog
; cansignhttpexchanges=yes
ssl.com
Wildcard CAs
comodoca.com
digicert.com
; cansignhttpexchanges=yes
letsencrypt.org
pki.goog
; cansignhttpexchanges=yes
ssl.com
Incident Reporting
mailto:[email protected]
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • You have authorized 5 CAs - consider limiting to only the CAs you actively use