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=doo4u.com
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
April 25, 2026
Valid Until
July 24, 2026 49 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
8E:EF:1D:66:42:96:85:1F:20:41:56:35:81:A3:D5:EE:05:A0:95:CE:07:41:BD:08:33:07:2A:EC:19:FD:AE:00
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
bolted.it *.bolted.it *.app.bolted.it *.demo.bolted.it

Other domains in certificate

bitphlare.biz *.bitphlare.biz *.ww25.bitphlare.biz
carrenotrans.com *.carrenotrans.com *.cpcontacts.carrenotrans.com *.insight.carrenotrans.com *.morabanc.carrenotrans.com *.webdisk.carrenotrans.com
cystaltown.cc *.cystaltown.cc *.ww25.cystaltown.cc
*.5b95625c-da7e-47cc-80b2-4d12f6ed8475.doo4u.com *.dev.doo4u.com doo4u.com *.doo4u.com *.toonmix.doo4u.com *.www.doo4u.com
duniawin77id.com *.duniawin77id.com *.online.duniawin77id.com *.r53.duniawin77id.com *.sitemaps.duniawin77id.com *.www.duniawin77id.com
gczx.cc *.gczx.cc *.wap.gczx.cc
japan-jr-pass.com *.japan-jr-pass.com
*.app.loveastrologer.in *.hostmaster.loveastrologer.in loveastrologer.in *.loveastrologer.in *.qa.loveastrologer.in *.sitemap.loveastrologer.in
*.ark.lpswebtechnology.com *.cloud.lpswebtechnology.com *.collegeerp.lpswebtechnology.com *.excelconvent.lpswebtechnology.com lpswebtechnology.com *.lpswebtechnology.com *.opd.lpswebtechnology.com *.pgcs.lpswebtechnology.com *.pos.lpswebtechnology.com *.schoolerp.lpswebtechnology.com *.server.lpswebtechnology.com *.stamp.lpswebtechnology.com *.www.lpswebtechnology.com *.xeeedc.lpswebtechnology.com
*.doh1.ozon.coach ozon.coach *.ozon.coach *.resolver.ozon.coach
*.api.presentparadise.club *.app.presentparadise.club *.demo.presentparadise.club presentparadise.club *.presentparadise.club *.www.presentparadise.club
purevetpharma.net *.purevetpharma.net
*.32.rojadirect.click rojadirect.click *.rojadirect.click *.ww.rojadirect.click
*.admin.rw49.com *.otc.rw49.com *.probiller.rw49.com rw49.com *.rw49.com
*.m.snackset.com snackset.com *.snackset.com
*.mx.sympresa.com sympresa.com *.sympresa.com
*.mail.taipingsentralmall.com taipingsentralmall.com *.taipingsentralmall.com
*.a.transmultimedia.com *.iot.transmultimedia.com transmultimedia.com *.transmultimedia.com
*.ww38.wwwmagnicustomersurvey.com wwwmagnicustomersurvey.com *.wwwmagnicustomersurvey.com