DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Detected Technologies

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

Certificate Information

Subject
CN=gpmuic.com
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
December 16, 2025
Valid Until
March 16, 2026 31 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
C4:47:93:5B:AD:9E:A7:7B:E5:B8:50:32:5B:22:4D:E1:F4:FA:41:2C:58:09:05:5D:D4:2D:92:82:C0:0D:DF:99
Alternative Names
71 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
Missing
Not configured
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Add Strict-Transport-Security header with max-age of at least 1 year
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • • Add X-Content-Type-Options: nosniff
  • • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • • Consider adding Permissions-Policy to control browser features

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

71 domains
boggleheads.com *.boggleheads.com *.dns.boggleheads.com *.hostmaster.boggleheads.com *.mx7.boggleheads.com

Other domains in certificate

aqdw107.com *.aqdw107.com *.vip.aqdw107.com
barsonyholstersandbelts.com *.barsonyholstersandbelts.com
buildingcontractor.de *.buildingcontractor.de *.random.buildingcontractor.de
cheftommys.com *.cheftommys.com
courssera.org *.courssera.org
gartendekorationde.com *.gartendekorationde.com *.hinterhof.gartendekorationde.com *.ideen.gartendekorationde.com
glassfencing.com.au *.glassfencing.com.au
gpmuic.com *.gpmuic.com *.random.gpmuic.com
gracefulpath.com *.gracefulpath.com
graphicrefer.com *.graphicrefer.com *.random.graphicrefer.com
greenmicrofinanceloan.com *.greenmicrofinanceloan.com *.random.greenmicrofinanceloan.com
httptplinkwifi.net *.httptplinkwifi.net
kindergartens.com.au *.kindergartens.com.au
membermanagementdvcrentalstore.com *.membermanagementdvcrentalstore.com *.random.membermanagementdvcrentalstore.com
mormaco.net *.mormaco.net
petiteivana.com *.petiteivana.com
rackromshoes.com *.rackromshoes.com
rentingspace.com *.rentingspace.com
sanyaproperties.com *.sanyaproperties.com
*.random.sintaxix.org sintaxix.org *.sintaxix.org
*.ci.spiegelfarms.com *.random.spiegelfarms.com spiegelfarms.com *.spiegelfarms.com *.ww41.spiegelfarms.com
*.ai.villaggiospizzeria.com *.cicd.villaggiospizzeria.com *.comune.villaggiospizzeria.com *.insight.villaggiospizzeria.com *.intranet.villaggiospizzeria.com villaggiospizzeria.com *.villaggiospizzeria.com *.ww12.villaggiospizzeria.com *.ww38.villaggiospizzeria.com
*.mail.xn--therabnder-v5a.de xn--therabnder-v5a.de *.xn--therabnder-v5a.de