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=halcyonlingo.biz
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
May 02, 2026
Valid Until
July 31, 2026 83 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
F7:55:67:CD:4F:4F:08:B0:00:3E:F6:B6:30:F1:F4:07:B4:B0:7C:A9:6F:82:09:66:13:E4:CC:FA:0D:10:B8:E7
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
phiswelt.com *.phiswelt.com *.ww25.phiswelt.com *.ww38.phiswelt.com

Other domains in certificate

adamantappraisals.com *.adamantappraisals.com *.hostmaster.adamantappraisals.com *.www.adamantappraisals.com
*.api.asihedge.com asihedge.com *.asihedge.com *.demo.asihedge.com *.dev.asihedge.com *.fxkhotest.asihedge.com *.portal.asihedge.com *.rflwzm.asihedge.com *.test.asihedge.com *.vpn.asihedge.com *.www.asihedge.com
fitnessbooster.store *.fitnessbooster.store
*.app.glomser.com glomser.com *.glomser.com *.portal1.glomser.com *.rds1.glomser.com
*.2d3396cb-6434-4961-8a19-38bba28e714b.halcyonlingo.biz *.6567246339-7de8-4e3b-a06b-dc0db0d6aeb3.halcyonlingo.biz *.67246339-7de8-4e3b-a06b-dc0db0d6aeb3.halcyonlingo.biz *.admin.halcyonlingo.biz *.api.halcyonlingo.biz *.app.halcyonlingo.biz *.assets.halcyonlingo.biz *.b1wrhx.halcyonlingo.biz *.da746808-cd8e-4e03-a79a-1853a27f3fce.halcyonlingo.biz *.demo.halcyonlingo.biz *.df31e4bb-699d-4dee-bc33-106a244f1521.halcyonlingo.biz *.dffb7b4c-039c-4df8-92c7-ec9f48376273.halcyonlingo.biz *.e745ec57-a18a-4c15-ac8b-c64aca82c1ab.halcyonlingo.biz halcyonlingo.biz *.halcyonlingo.biz *.members.halcyonlingo.biz *.new.halcyonlingo.biz *.s11szznud0qs.halcyonlingo.biz *.test.halcyonlingo.biz *.www.halcyonlingo.biz
labbox.life *.labbox.life *.mx.labbox.life *.ww25.labbox.life
*.agriscot.onlineregistration.co.uk *.eurotrophex.onlineregistration.co.uk *.foodshows.onlineregistration.co.uk *.londonedge.onlineregistration.co.uk *.mail.onlineregistration.co.uk onlineregistration.co.uk *.onlineregistration.co.uk *.showman.onlineregistration.co.uk
*.api.peekaboo.cc *.app.peekaboo.cc peekaboo.cc *.peekaboo.cc *.www.peekaboo.cc
*.3ddh7.qqx789.com qqx789.com *.qqx789.com
*.mail.shenpeng888.com shenpeng888.com *.shenpeng888.com *.ww25.shenpeng888.com *.xkm1-app.shenpeng888.com
taigiagao.club *.taigiagao.club
*.app.trilvonex.cfd *.hostmaster.trilvonex.cfd *.staging.trilvonex.cfd trilvonex.cfd *.trilvonex.cfd *.www.trilvonex.cfd
*.cdm.wallacesleepncomfort.com *.dqxy.wallacesleepncomfort.com *.ftp.wallacesleepncomfort.com *.hd.wallacesleepncomfort.com *.jiuye.wallacesleepncomfort.com *.users.wallacesleepncomfort.com wallacesleepncomfort.com *.wallacesleepncomfort.com *.web.wallacesleepncomfort.com *.ww38.wallacesleepncomfort.com