DNS Gurus
Open Cached · just now
79/100 SECURITY SCORE

Certificate Information

Subject
C=US, ST=California, L=San Francisco, O=My Company, CN=this.should.be.decommd.local
Issuer
C=US, ST=California, L=San Francisco, O=My Company, CN=Root For Nothing. Do not trust
Valid From
July 29, 2020
Valid Until
July 17, 2030 1713 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
2B:59:BD:39:AF:2A:8B:94:93:27:E2:9F:8A:40:B6:8E:4C:0F:04:6D:71:61:DF:E4:FB:F2:8C:0D:64:ED:73:92
Alternative Names
1 domains

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

Subject Alternative Names

1 domain
this.should.be.decommd.local