DNS Gurus
Cached · just now
91/100 SECURITY SCORE

Detected Technologies

See all in URL Inspect 1
Let's Encrypt logo Let's Encrypt

Certificate Information

Subject
CN=flyingcircus.io
Issuer
C=US, O=Let's Encrypt, CN=YE1
Valid From
July 19, 2026
Valid Until
October 17, 2026 65 days
Public Key
ECDSA 256 bit (P-256) Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
1A:05:11:DA:81:E1:D0:96:CF:C4:94:20:EB:D3:4E:63:0D:B8:63:14:1D:8F:1B:1D:D7:8D:B5:77:60:5D:88:2C
Alternative Names
4 domains

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=31536000, max-age=31536000
Content-Security-Policy
Missing
Not configured Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Present
SAMEORIGIN, sameorigin
X-Content-Type-Options
Present
nosniff, nosniff
Referrer-Policy
Good
strict-origin
Permissions-Policy
Present
geolocation=(), camera=(), microphone=()
Recommendations
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • Add Content-Security-Policy header to prevent XSS attacks

CAA Records (Certificate Authority Authorization)

CAA Records
Configured (Restricts certificate issuance)
Current Issuer
Authorized (Matches CAA policy)
Authorized CAs
letsencrypt.org
Recommendations
  • • Consider using critical flag (flags=128) for stricter CAA enforcement
  • • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts
  • • Consider adding 'issuewild' records to control wildcard certificate issuance

Subject Alternative Names

4 domains
flyingcircus.io blog.flyingcircus.io new.flyingcircus.io

Other domains in certificate

saltsprint.org