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=royalchinaiow.co.uk
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
May 18, 2026
Valid Until
August 16, 2026 72 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
07:CB:C7:C6:A1:11:39:A7:F3:26:22:E0:82:77:74:59:14:89:B9:46:C0:54:67:0E:6A:3F:D3:0A:7E:16:9C:75
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
sywpc.com.cn *.sywpc.com.cn *.835.sywpc.com.cn *.altoy.sywpc.com.cn *.hearns.sywpc.com.cn

Other domains in certificate

*.admin.free-roulette.net *.aging.free-roulette.net *.dashs.free-roulette.net *.dev.free-roulette.net free-roulette.net *.free-roulette.net *.hostmaster.free-roulette.net *.m.free-roulette.net *.ns2.free-roulette.net *.redash.free-roulette.net *.remote.free-roulette.net *.root.free-roulette.net *.vpn.free-roulette.net
*.ftp.infotuscany.com infotuscany.com *.infotuscany.com *.localhost.infotuscany.com
*.access.royalchinaiow.co.uk *.ads.royalchinaiow.co.uk *.archive.royalchinaiow.co.uk *.av.royalchinaiow.co.uk *.bi.royalchinaiow.co.uk *.blog.royalchinaiow.co.uk *.blogs.royalchinaiow.co.uk *.community.royalchinaiow.co.uk *.conference.royalchinaiow.co.uk *.corp.royalchinaiow.co.uk *.data.royalchinaiow.co.uk *.demo.royalchinaiow.co.uk *.developer.royalchinaiow.co.uk *.events.royalchinaiow.co.uk *.feedback.royalchinaiow.co.uk *.help.royalchinaiow.co.uk *.helpdesk.royalchinaiow.co.uk *.hub.royalchinaiow.co.uk *.intranet.royalchinaiow.co.uk *.media.royalchinaiow.co.uk *.online.royalchinaiow.co.uk *.pop.royalchinaiow.co.uk royalchinaiow.co.uk *.royalchinaiow.co.uk *.sitemap.royalchinaiow.co.uk *.stats.royalchinaiow.co.uk *.web.royalchinaiow.co.uk *.ww12.royalchinaiow.co.uk *.www.royalchinaiow.co.uk
*.4.salkuy.cn *.5.salkuy.cn *.fvciv.salkuy.cn *.haksiz.salkuy.cn *.home.salkuy.cn *.hostmaster.salkuy.cn *.kino.salkuy.cn *.oqkun.salkuy.cn salkuy.cn *.salkuy.cn *.uqkun.salkuy.cn
*.a.sukajanjacket.info *.admin.sukajanjacket.info *.api.sukajanjacket.info sukajanjacket.info *.sukajanjacket.info *.vqvlb.sukajanjacket.info *.xvqvlb.sukajanjacket.info
*.a4qfzp.virtuel.dev *.admin.virtuel.dev *.api.virtuel.dev *.elftgqpujpa4qfzp.virtuel.dev *.eobycapi.virtuel.dev virtuel.dev *.virtuel.dev
*.a.visitgewan.info *.api.visitgewan.info *.backup.visitgewan.info *.dev.visitgewan.info *.uat.visitgewan.info visitgewan.info *.visitgewan.info *.www.visitgewan.info
*.app.xahyno.pro *.m.xahyno.pro *.sitemap.xahyno.pro *.www.xahyno.pro xahyno.pro *.xahyno.pro