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=readingbible.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
May 19, 2026
Valid Until
August 17, 2026 80 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
CE:0C:F9:A7:A6:A9:F4:93:A5:DB:01:9C:30:FE:4A:89:89:11:CA:A2:67:77:15:52:44:C9:0F:AD:01:C9:E1:27
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
schooltasterdays.com *.schooltasterdays.com

Other domains in certificate

33255.one *.33255.one
3insulins3offers.com *.3insulins3offers.com
55555.one *.55555.one
58362.blog *.58362.blog
58823.pro *.58823.pro
63697.win *.63697.win
792185.cc *.792185.cc
83039.agency *.83039.agency
955028.blog *.955028.blog
*.ci.famososenbolas.es famososenbolas.es *.famososenbolas.es *.ww25.famososenbolas.es
ipo.ag *.ipo.ag
klyari.com *.klyari.com
klyeno.com *.klyeno.com
koioi.sbs *.koioi.sbs
miker.co *.miker.co
modrnathletics.com *.modrnathletics.com
mytiers.com *.mytiers.com
newold.co *.newold.co
principledrivenfit.run *.principledrivenfit.run
professionalwellfit.run *.professionalwellfit.run
promortalist.com *.promortalist.com
purposefulfitness.run *.purposefulfitness.run
readingbible.com *.readingbible.com *.ww25.readingbible.com
robloxhelper.co *.robloxhelper.co
sekaikomik.mom *.sekaikomik.mom
sf00065.cc *.sf00065.cc
showerthoughts.hair *.showerthoughts.hair
spiritairline.net *.spiritairline.net
*.old.sportssutge.net sportssutge.net *.sportssutge.net
starcart.co *.starcart.co
stockholm-venice-train-tour-package-sw.sbs *.stockholm-venice-train-tour-package-sw.sbs
subit.co *.subit.co
swcock.com *.swcock.com
thesoulfulequine.com *.thesoulfulequine.com
thewhiteshift.co *.thewhiteshift.co
tradeflickers.com *.tradeflickers.com
trustedtrails.xyz *.trustedtrails.xyz
ve6512c.top *.ve6512c.top
victor-innovatex.co *.victor-innovatex.co
wraax.com *.wraax.com
www866y.cc *.www866y.cc
xn--54q537d1hg.com *.xn--54q537d1hg.com