DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=rentalroom.it
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
February 09, 2026
Valid Until
May 10, 2026 88 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
E0:8A:6E:BB:E7:63:82:78:A0:4C:84:1D:C5:22:AE:F1:67:CF:43:1A:56:F3:F2:32:A5:A4:EE:59:E3:D7:AB:D7
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
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
footguards.com *.footguards.com *.sitemaps.footguards.com *.store.footguards.com *.wiki.footguards.com *.ww25.footguards.com

Other domains in certificate

actchealth.com.au *.actchealth.com.au
awuawater.com *.awuawater.com *.shop.awuawater.com *.vb.awuawater.com *.wildcard.awuawater.com *.ww01.awuawater.com *.www.awuawater.com
bajiliveonline.vip *.bajiliveonline.vip *.portal.bajiliveonline.vip
*.7hpid5.bandar-osg777.com bandar-osg777.com *.bandar-osg777.com
*.api.bankokuponlar.com *.backup.bankokuponlar.com bankokuponlar.com *.bankokuponlar.com *.beta.bankokuponlar.com *.dev.bankokuponlar.com *.test.bankokuponlar.com *.w.bankokuponlar.com *.ww1.bankokuponlar.com *.ww17.bankokuponlar.com
*.6f37a152-8197-4ffd-9c57-e4245af0f20e.choosepools.com *.86020.choosepools.com choosepools.com *.choosepools.com *.correo.choosepools.com *.links.choosepools.com *.m.choosepools.com *.mail.choosepools.com *.rdweb.choosepools.com *.www.choosepools.com
clothingheaters.com *.clothingheaters.com
crawd1.com *.crawd1.com *.digilander.crawd1.com
ids-proz.xyz *.ids-proz.xyz *.pop.ids-proz.xyz
*.dev.maziz.com *.mail.maziz.com maziz.com *.maziz.com *.portal.maziz.com *.ssl.maziz.com *.vpn.maziz.com *.ww16.maziz.com
*.0484cfa0-ff4b-4d43-b374-7ca8cacf63e9.olo4ds.com *.5d40d965-fe09-4240-bdd1-0904f67887e5.olo4ds.com *.a8c76b2c-25fe-4a3c-969b-17feb05dba7e.olo4ds.com *.api.olo4ds.com *.f878bd26-2f27-40a0-940a-20a36f5fb4a1.olo4ds.com olo4ds.com *.olo4ds.com *.staging.olo4ds.com *.test.olo4ds.com *.vpn.olo4ds.com
*.hostmaster.quantfund.cc quantfund.cc *.quantfund.cc *.webmail.quantfund.cc
rentalroom.it *.rentalroom.it *.www.rentalroom.it
tefillah.com *.tefillah.com *.w.tefillah.com *.ww11.tefillah.com *.wwww.tefillah.com
*.admin.tryactionhero.us *.ftp.tryactionhero.us tryactionhero.us *.tryactionhero.us
*.pay.uschess.live uschess.live *.uschess.live
*.ww38.xiase3.com xiase3.com *.xiase3.com