Open
Cached
·
just now
95/100
SECURITY SCORE
Certificate Information
Subject
CN=costcopharmacy.ca
Issuer
C=US, O=Let's Encrypt, CN=E8
Valid From
October 07, 2025
Valid Until
January 05, 2026
44 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
B8:95:38:31:A7:7D:7B:CE:49:1B:B3:8A:4D:46:0D:A8:19:74:0B:B7:AB:4B:FE:3A:1B:90:D9:DE:AD:80:BA:6F
Alternative Names
Security Configuration
TLS Protocols
TLS 1.2
TLS 1.3
Forward Secrecy
Supported
(Modern clients use PFS)
HTTP Security Headers
Status
Strict-Transport-Security
Present
max-age=15552000; includeSubDomains; preload
Content-Security-Policy
Good
default-src; connect-src; font-src; +4 more
default-src 'none'; connect-src 'self' *.google.com *.googleapis.com *.cloudfunctions.net *.costcopharmacy.ca *.google-analytics.com *.analytics.google.com *.googletagmanager.com *.cookielaw.org *.onetrust.com https://cloudflareinsights.com/cdn-cgi/rum consent.costco.ca transcend-cdn.com telemetry.us.transcend.io; font-src https://fonts.gstatic.com; frame-src 'self' mailto: *.google.com *.firebaseapp.com https://www.chasepaymentechhostedpay-var.com https://www.chasepaymentechhostedpay.com https://player.vimeo.com/ consent-sync.costco.ca; img-src 'self' data: *.googleapis.com https://i.vimeocdn.com *.google-analytics.com *.analytics.google.com *.googletagmanager.com *.cookielaw.org; script-src 'self' consent.costco.ca transcend-cdn.com *.google.com *.gstatic.com https://www.chasepaymentechhostedpay-var.com https://www.chasepaymentechhostedpay.com *.googletagmanager.com https://ajax.cloudflare.com https://static.cloudflareinsights.com https://apis.google.com *.cookielaw.org *.onetrust.com 'unsafe-inline'; style-src 'self' 'unsafe-inline' *.googleapis.com consent.costco.ca transcend-cdn.com
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Present
same-origin
Permissions-Policy
Present
fullscreen=*,geolocation=*,camera=*
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Strengthen CSP by removing 'unsafe-eval'
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
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
- • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts