DNS Gurus
Cached · just now
84/100 SECURITY SCORE

Detected Technologies

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Let's Encrypt logo Let's Encrypt Active incidents

Certificate Information

Subject
CN=c53.status.diamondasaservice.com
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
March 27, 2026
Valid Until
June 25, 2026 46 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
B2:32:7A:F4:56:71:D5:72:F0:46:35:70:36:D9:02:94:EE:1F:A3:B8:0E:14:12:94:8D:E4:DB:01:CE:9E:4D:0D
Alternative Names
31 domains

Security Configuration

TLS Protocols
TLS 1.2 TLS 1.3
Forward Secrecy
Supported (Modern clients use PFS)

CAA Records (Certificate Authority Authorization)

CAA Records
Configured (Restricts certificate issuance)
Current Issuer
Authorized (Matches CAA policy)
Authorized CAs
letsencrypt.org globalsign.com
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