Open
Cached
·
just now
89/100
SECURITY SCORE
Certificate Information
Subject
CN=link.atgo.app
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
November 25, 2025
Valid Until
February 23, 2026
87 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
63:7E:12:D7:55:CB:21:EB:8D:F4:6B:64:51:CF:14:5B:5D:5D:C2:47:04:71:C5:3E:B4:59:D5:C4:7A:09:5E:C8
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=31556926
Content-Security-Policy
Basic
script-src; frame-ancestors
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer
Permissions-Policy
Missing
Not configured
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
- • Consider adding Permissions-Policy to control browser features
CAA Records (Certificate Authority Authorization)
CAA Records
Not Configured
(Any CA can issue certificates)
CAA Issues
- • No CAA records configured - any CA can issue certificates
Recommendations
- • Implement CAA records to restrict which CAs can issue certificates for your domain
- • This adds an extra layer of security against unauthorized certificate issuance
- • Example: Add CAA record 'example.com. CAA 0 issue "letsencrypt.org"'
- • Consider adding 'iodef' record to receive security incident reports
Subject Alternative Names
100 domains
secure.emailmeter.com
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admin.stg.visits-innovators.com
webinaduler.com
preview.whatashare.com
wombatsoftware.com
cdn.x200labs.com
www.yildizcep.com
yogavibes.com.au
web.zenonbooking.it
Other domains in certificate