DNS Gurus
Cached · just now
71/100 SECURITY SCORE

Certificate Information

Subject
C=NA, ST=NA, L=NA, CN=ns1.16clouds.com
Issuer
C=NA, ST=NA, L=NA, CN=ns1.16clouds.com
Valid From
March 21, 2025
Valid Until
February 25, 2125 36011 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
E7:41:2C:02:20:7A:D6:32:6A:B8:8F:76:F2:98:65:90:28:AC:E9:B8:3A:2D:84:50:87:3B:C0:88:94:C0:00:8E

Security Configuration

TLS Protocols
TLS 1.2
Forward Secrecy
Limited (Check cipher configuration)
Warnings
  • • TLS 1.3 is not supported (recommended)

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