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=ygylxy.com
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
February 05, 2026
Valid Until
May 06, 2026 74 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
50:C8:30:2C:86:6F:A4:E2:44:88:29:F1:5A:F5:23:EE:21:84:E7:6D:D2:47:A1:EF:38:C0:80:E6:F1:0C:A5:B8
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
profiloptimierung.com *.profiloptimierung.com

Other domains in certificate

zgdljjw.com.cn *.zgdljjw.com.cn
medicibe.us *.medicibe.us *.ww25.medicibe.us
multurl.biz *.multurl.biz *.xuyjtapi.multurl.biz
poseraroniiosdalypro.cyou *.poseraroniiosdalypro.cyou
preinnovations.com *.preinnovations.com
primary.email *.primary.email
prime-way.info *.prime-way.info
privacyjournals.com *.privacyjournals.com
prnoil.top *.prnoil.top
prntsrcn.com *.prntsrcn.com
pro-insights.info *.pro-insights.info
pro88jp.com *.pro88jp.com
promuje.my *.promuje.my
psychohamstergames.com *.psychohamstergames.com
pureventria.com *.pureventria.com
xydiv73l.com *.xydiv73l.com
y47120883.vip *.y47120883.vip
y6tc5dpj.top *.y6tc5dpj.top
yasin.it *.yasin.it
yatfvsio.biz *.yatfvsio.biz
ybypdu.me *.ybypdu.me
ybzyo5ew.top *.ybzyo5ew.top
yg6bgk.shop *.yg6bgk.shop
ygylxy.com *.ygylxy.com
ymwbho5q.top *.ymwbho5q.top
yn2xki4.cyou *.yn2xki4.cyou
ynwai.academy *.ynwai.academy
yourtravelodyssey.live *.yourtravelodyssey.live
youtool.org *.youtool.org
yukonrewards.com *.yukonrewards.com
yusamusic.com *.yusamusic.com
yvnbw.net *.yvnbw.net
yxqurfo.cyou *.yxqurfo.cyou
yznbbnk.top *.yznbbnk.top
zarchiverapk.pro *.zarchiverapk.pro
zdddze.com *.zdddze.com
zenbodyfitness.run *.zenbodyfitness.run
zimpropift.com *.zimpropift.com
zjwnwa111333jdwnw04hdwq.vip *.zjwnwa111333jdwnw04hdwq.vip
zonnepaneelwijzer.com *.zonnepaneelwijzer.com
zoyqbslc.xyz *.zoyqbslc.xyz
zwn40n.top *.zwn40n.top
zylokkar.com *.zylokkar.com