DNS Gurus
Cached · just now
79/100 SECURITY SCORE

Detected Technologies

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

Certificate Information

Subject
CN=757228.academy
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
January 31, 2026
Valid Until
May 01, 2026 65 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
90:D0:E5:D8:83:AD:76:EF:A9:76:D8:B9:BB:E0:83:F8:B7:8B:00:72:DE:CF:B3:BD:D2:92:C5:3E:77:77:D4:08
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
Good
SAMEORIGIN
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-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
fluttmysdk.com *.fluttmysdk.com

Other domains in certificate

757228.academy *.757228.academy
805802.club *.805802.club
8d53h1.top *.8d53h1.top
8f9f382765f36579.com *.8f9f382765f36579.com
91515.loan *.91515.loan
amenorrhea.org *.amenorrhea.org
ar-xgame.top *.ar-xgame.top
backlinkanalyser.com *.backlinkanalyser.com
bc3a91aaee.top *.bc3a91aaee.top
bfs73.top *.bfs73.top
bperl.net *.bperl.net
bunmail.cc *.bunmail.cc
cancer-treatment-0131.click *.cancer-treatment-0131.click
cltrkls.top *.cltrkls.top
cordlessmowers.com *.cordlessmowers.com
cyclero.com *.cyclero.com
deepseekailogin.org *.deepseekailogin.org
deepseeklogin.me *.deepseeklogin.me
driverssamsung.com *.driverssamsung.com
dwitd.net *.dwitd.net
e9yhsiu.top *.e9yhsiu.top
efkpg.net *.efkpg.net
employer-benefits-package.click *.employer-benefits-package.click
ezawp.net *.ezawp.net
fb009.com *.fb009.com
futurescope.city *.futurescope.city
geoffhinton.io *.geoffhinton.io
go-visit.com *.go-visit.com
h2j5j2215e.top *.h2j5j2215e.top
h2j5jd20c1.top *.h2j5jd20c1.top
hockeykeep.com *.hockeykeep.com
hzdbt.net *.hzdbt.net
jgzcm.net *.jgzcm.net
kandoelectric.hu *.kandoelectric.hu
lwdbr.bid *.lwdbr.bid
mabar69-max.vip *.mabar69-max.vip
mabusinessprogram06.click *.mabusinessprogram06.click
maitreyaweb.my *.maitreyaweb.my
memorabletraveltales.live *.memorabletraveltales.live
miscaballos.com *.miscaballos.com
myfreecams.onl *.myfreecams.onl
mysdkgoog.com *.mysdkgoog.com
night-club-victori.cz *.night-club-victori.cz
sehirulasim.com *.sehirulasim.com