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=betterstudy.io
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
May 04, 2026
Valid Until
August 02, 2026 51 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
D0:F5:60:59:73:61:3C:8F:CF:D5:D2:74:0D:99:53:17:F4:BD:9F:C1:83:53:F8:CE:63:65:0B:9D:52:4E:51:C7
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
jfain.app *.jfain.app

Other domains in certificate

betspin.io *.betspin.io *.www.betspin.io
betterstudy.io *.betterstudy.io
camara.life *.camara.life
chatgptmodapk.pro *.chatgptmodapk.pro
columbiaarena.info *.columbiaarena.info
communication.baby *.communication.baby
emochi.chat *.emochi.chat
entrammel.com *.entrammel.com
fanart.cfd *.fanart.cfd
fantasytouch.info *.fantasytouch.info
faraday.life *.faraday.life
fastplay365song.com *.fastplay365song.com
firstbridgesservices.com *.firstbridgesservices.com
jtlibmall.com *.jtlibmall.com
newdelhidentalcare.com *.newdelhidentalcare.com
onlinearabicfoods.com *.onlinearabicfoods.com
onlinereagent.com *.onlinereagent.com
onlinewholesalefood.net *.onlinewholesalefood.net *.sharepoint.onlinewholesalefood.net
prime-astrohub.quest *.prime-astrohub.quest
probitcoin.co *.probitcoin.co
protectioner.com *.protectioner.com
sexy.co.in *.sexy.co.in
shaisui987.com *.shaisui987.com
shankui231.com *.shankui231.com
shizukadaget.com *.shizukadaget.com
sl-management.com *.sl-management.com
snowdontaxi.com *.snowdontaxi.com
sut88.games *.sut88.games
tgjte.gdn *.tgjte.gdn
thebestcigar.com *.thebestcigar.com
thecareapparatus.com *.thecareapparatus.com
thepatriotgain.com *.thepatriotgain.com
v8c.club *.v8c.club
via-net-works.com *.via-net-works.com
weather10days.org *.weather10days.org
wksp2.motorcycles *.wksp2.motorcycles
writtenupdate.net *.writtenupdate.net
wwww37.com *.wwww37.com
xsvn04.com *.xsvn04.com
youmitech.it.com *.youmitech.it.com
yourablr360.com *.yourablr360.com
yqgaow.cyou *.yqgaow.cyou
yqx3xb.cyou *.yqx3xb.cyou