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=zimmer1.com
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
January 11, 2026
Valid Until
April 11, 2026 46 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
9D:EA:80:28:84:8F:18:A6:D5:00:0E:07:C3:FB:3C:64:2D:3F:BA:25:3E:17:DB:D9:E7:15:2B:D2:B1:9B:87:8A
Alternative Names
90 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 Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
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

90 domains
cired2013.org *.cired2013.org *.www.cired2013.org

Other domains in certificate

affordablehosting.com.au *.affordablehosting.com.au
beautydepot.com.au *.beautydepot.com.au
coinsets.com.au *.coinsets.com.au
columbiagorgelipomelt.co *.columbiagorgelipomelt.co
coppercookware.com.au *.coppercookware.com.au
djeaw.net *.djeaw.net
dlishdessert.net *.dlishdessert.net
embedsu.net *.embedsu.net
empire-streamz.us *.empire-streamz.us
futurestrade.com.au *.futurestrade.com.au
gip.com.au *.gip.com.au
*.cs.imageclub.online imageclub.online *.imageclub.online *.postmaster.imageclub.online *.random.imageclub.online
jcnmedia.com *.jcnmedia.com
jkc.com.au *.jkc.com.au
kleinanzeigenimmobilien.de *.kleinanzeigenimmobilien.de
kyotoinfortworth.com *.kyotoinfortworth.com
marduk.store *.marduk.store *.random.marduk.store
modemsonline.com.au *.modemsonline.com.au *.ww17.modemsonline.com.au
monis.pro *.monis.pro
mrphone.store *.mrphone.store
myslut.store *.myslut.store
nnn.com.au *.nnn.com.au
*.ajburk.orangespace.de *.cash.orangespace.de *.files.orangespace.de *.hostmaster.orangespace.de *.lampenkonner.orangespace.de *.lostweb.orangespace.de orangespace.de *.orangespace.de *.protone.orangespace.de *.server4.orangespace.de *.www.orangespace.de
*.dr.oud.au oud.au *.oud.au
*.bill.primebullscapital.com *.biz.primebullscapital.com *.com.primebullscapital.com *.elite.primebullscapital.com primebullscapital.com *.primebullscapital.com
putanykiss24d.store *.putanykiss24d.store *.sitemap.putanykiss24d.store *.sitemaps.putanykiss24d.store *.www.putanykiss24d.store
*.cpcalendars.strs.bio strs.bio *.strs.bio
styledod.com *.styledod.com
sustainablecitynews.com *.sustainablecitynews.com *.ww16.sustainablecitynews.com
*.mailserver.wei.au wei.au *.wei.au
zimmer1.com *.zimmer1.com