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=learn-guitarsetups.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
February 28, 2026
Valid Until
May 29, 2026 33 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
1F:C9:92:36:41:3C:BD:92:4C:1C:56:0A:E4:6C:B8:F3:47:36:79:D2:89:CD:E3:B2:88:FC:3F:09:DB:5F:62:43
Alternative Names
89 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

89 domains
etcs8.com *.etcs8.com *.tadadesuyo.etcs8.com *.tinpos.etcs8.com *.ww38.etcs8.com

Other domains in certificate

blockchainatsd.xyz *.blockchainatsd.xyz
bofhdaforapa.com *.bofhdaforapa.com
btsow.xyz *.btsow.xyz *.hostmaster.btsow.xyz *.ww25.btsow.xyz *.ww38.btsow.xyz *.www.btsow.xyz
costumemagic.com.au *.costumemagic.com.au *.preview.costumemagic.com.au *.ww38.costumemagic.com.au
dogmatch.com.au *.dogmatch.com.au *.hotfix.dogmatch.com.au *.manager.dogmatch.com.au *.pm.dogmatch.com.au *.store.dogmatch.com.au *.ww25.dogmatch.com.au *.ww38.dogmatch.com.au
*.comwww.ecoldirecte.com ecoldirecte.com *.ecoldirecte.com
learn-guitarsetups.com *.learn-guitarsetups.com *.ww25.learn-guitarsetups.com
*.analytics.luxurypools.com.au *.dev.luxurypools.com.au luxurypools.com.au *.luxurypools.com.au
*.admin.mobtakeranmashhad.com *.api.mobtakeranmashhad.com *.beta.mobtakeranmashhad.com mobtakeranmashhad.com *.mobtakeranmashhad.com
myrf3worldusa.com *.myrf3worldusa.com *.webdisk.myrf3worldusa.com *.wew.myrf3worldusa.com *.ww25.myrf3worldusa.com
*.api.perfectflavours.co.uk *.dev.perfectflavours.co.uk perfectflavours.co.uk *.perfectflavours.co.uk *.remote.perfectflavours.co.uk *.sitemap.perfectflavours.co.uk *.www.perfectflavours.co.uk
sayakamaizono.net *.sayakamaizono.net
*.17387f6c-bf74-47cc-a8ac-fdb8813a188d.wwwpw.live *.ad.wwwpw.live *.adguard.wwwpw.live *.adguard01.wwwpw.live *.adguard1.wwwpw.live *.admin.wwwpw.live *.agh.wwwpw.live *.aging.wwwpw.live *.analytic.wwwpw.live *.analytics.wwwpw.live *.api.wwwpw.live *.app.wwwpw.live *.backend.wwwpw.live *.bi.wwwpw.live *.dash.wwwpw.live *.dashboard.wwwpw.live *.dashs.wwwpw.live *.demo.wwwpw.live *.dev.wwwpw.live *.dns.wwwpw.live *.doh.wwwpw.live *.doh1.wwwpw.live *.intelligence.wwwpw.live *.random.wwwpw.live *.reporting.wwwpw.live *.staging.wwwpw.live *.superset.wwwpw.live *.ww16.wwwpw.live *.www.wwwpw.live wwwpw.live *.wwwpw.live
youkan.info *.youkan.info