DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Detected Technologies

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

Certificate Information

Subject
CN=18840.net
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
April 26, 2026
Valid Until
July 25, 2026 73 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
09:7A:47:B4:45:F8:F1:A7:D8:33:F9:54:C4:E7:11:3B:96:6A:23:E3:3A:F5:69:C3:29:58:53:BA:8F:AF:B0:A6
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
hexrat.info *.hexrat.info

Other domains in certificate

18840.net *.18840.net
37063.pet *.37063.pet
384102.co *.384102.co
469403.co *.469403.co
792566.com *.792566.com
8499dd.xyz *.8499dd.xyz
8h-8h-90w2h.sbs *.8h-8h-90w2h.sbs
aicuban.com *.aicuban.com
ausinternationalbank.com *.ausinternationalbank.com
aviationawards.com *.aviationawards.com
bitxchanges.net *.bitxchanges.net
crediblecrews.xyz *.crediblecrews.xyz
dasd-aktuell.de *.dasd-aktuell.de
dc26eb.cyou *.dc26eb.cyou
diyframeworks.xyz *.diyframeworks.xyz
fitnessadvantagepros.club *.fitnessadvantagepros.club
fnlpsscueorn.onl *.fnlpsscueorn.onl
gardenstrategymasters.xyz *.gardenstrategymasters.xyz
gebroluxpro.pro *.gebroluxpro.pro
gossipgrabber.xyz *.gossipgrabber.xyz
great-pokerace.quest *.great-pokerace.quest
gsas.zip *.gsas.zip
hfhbg7.cyou *.hfhbg7.cyou
jyfyerkzpu.cc *.jyfyerkzpu.cc
ncxml.me *.ncxml.me
premiumtraveladvisory.xyz *.premiumtraveladvisory.xyz
premiumtravelguides.xyz *.premiumtravelguides.xyz
quiero-comprar-un-carro-usado-en-cuotas-comodas-gt.sbs *.quiero-comprar-un-carro-usado-en-cuotas-comodas-gt.sbs
sceatravels.com *.sceatravels.com
sknzone7.site *.sknzone7.site
sultan69-net.vip *.sultan69-net.vip
thebtwwin.com *.thebtwwin.com
travelguideclarity.xyz *.travelguideclarity.xyz
travelprecisionexpert.xyz *.travelprecisionexpert.xyz
ufjli.auction *.ufjli.auction
weddinginsighthub.beauty *.weddinginsighthub.beauty
weddingproauthenticity.beauty *.weddingproauthenticity.beauty
weddingprointegrity.beauty *.weddingprointegrity.beauty
wexmorlinx.cfd *.wexmorlinx.cfd
whitening-skin41.click *.whitening-skin41.click
wifi-de-254.sbs *.wifi-de-254.sbs
wings138alternatif.click *.wings138alternatif.click
wwwmg91.cc *.wwwmg91.cc
xn--h1adghpg8f.net *.xn--h1adghpg8f.net