DNS Gurus
Cached · just now
81/100 SECURITY SCORE

Certificate Information

Subject
UNKNOWN=02909227, UNKNOWN={:asn1_OPENTYPE, <<19, 2, 85, 83>>}, UNKNOWN={:asn1_OPENTYPE, <<19, 8, 73, 108, 108, 105, 110, 111, 105, 115>>}, UNKNOWN={:asn1_OPENTYPE, <<19, 20, 80, 114, 105, 118, 97, 116, 101, 32, 79, 114, 103, 97, 110, 105, 122, 97, 116, 105, 111, 110>>}, C=US, ST=Illinois, O=CDW LLC, CN=auth.cdw.com
Issuer
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA EV R36
Valid From
October 09, 2025
Valid Until
September 17, 2026 261 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
EC:8A:42:B6:18:D4:68:0F:F1:51:EB:F8:2E:AF:0B:BC:E9:F0:57:1C:39:BC:27:E4:7D:36:A7:22:42:86:9A:AB
Alternative Names
9 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
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