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=morebrainexercise.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
March 21, 2026
Valid Until
June 19, 2026 42 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
D5:D2:5F:26:FE:FB:91:91:E5:A9:AF:A5:44:93:02:F3:D9:56:E3:53:31:51:45:57:0F:20:22:92:A7:80:A6:F9
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
postpone.it *.postpone.it *.app.postpone.it *.backend.postpone.it *.staging.postpone.it

Other domains in certificate

azealiabanksforever.com *.azealiabanksforever.com *.mail.azealiabanksforever.com *.ns1.azealiabanksforever.com *.ns2.azealiabanksforever.com
bf2files.com *.bf2files.com *.gbf.bf2files.com *.ww16.bf2files.com
bitcoinwifi.net *.bitcoinwifi.net
braininnovation.de *.braininnovation.de
chicagocarsalesinc.com *.chicagocarsalesinc.com *.demo.chicagocarsalesinc.com *.dev.chicagocarsalesinc.com *.insight.chicagocarsalesinc.com *.random.chicagocarsalesinc.com *.ww38.chicagocarsalesinc.com
deltawidi.com *.deltawidi.com
densitymeters.com *.densitymeters.com *.jc.densitymeters.com *.mobi.densitymeters.com *.video.densitymeters.com
downtownjohnnybrowns.com *.downtownjohnnybrowns.com *.random.downtownjohnnybrowns.com
eco-mir.org *.eco-mir.org *.hostmaster.eco-mir.org *.mx.eco-mir.org *.random.eco-mir.org *.ww25.eco-mir.org
*.chat.fiestatexas.com fiestatexas.com *.fiestatexas.com
*.backend.hotelmilanocentro.it *.dev.hotelmilanocentro.it hotelmilanocentro.it *.hotelmilanocentro.it
minhacontagetnet.com.br *.minhacontagetnet.com.br *.ww25.minhacontagetnet.com.br *.ww38.minhacontagetnet.com.br
morebrainexercise.com *.morebrainexercise.com *.ww38.morebrainexercise.com
newyorkdesignaward.com *.newyorkdesignaward.com *.ww38.newyorkdesignaward.com
planty.au *.planty.au *.random.planty.au *.ww17.planty.au
pyppliberia.org *.pyppliberia.org
spookysean.com *.spookysean.com
*.com.supporttruconnect.com supporttruconnect.com *.supporttruconnect.com *.ww25.supporttruconnect.com *.ww38.supporttruconnect.com
*.3882689c-6534-4c4a-b38c-ae7a4f754c9a.uahuldealer.com *.blog.uahuldealer.com *.random.uahuldealer.com uahuldealer.com *.uahuldealer.com *.ww25.uahuldealer.com *.ww38.uahuldealer.com
*.hostmaster.verewards.com *.random.verewards.com verewards.com *.verewards.com
yesprop1.com *.yesprop1.com
*.w.zhairenwu44.xyz zhairenwu44.xyz *.zhairenwu44.xyz
*.ww16.ziniabrothel.com.au ziniabrothel.com.au *.ziniabrothel.com.au