DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=housingny.com
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
February 12, 2026
Valid Until
May 13, 2026 89 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
D3:AC:18:D2:C7:F6:A5:73:35:D9:67:7E:A7:47:95:83:81:06:CB:B9:26:25:78:0A:0B:40:C7:9E:B6:6A:B3:1F
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
bibro.com *.bibro.com *.access.bibro.com *.admin.bibro.com *.app.bibro.com *.assets.bibro.com *.cloud.bibro.com *.demo.bibro.com *.dev.bibro.com *.drvpn.bibro.com *.emv1.bibro.com *.gateway.bibro.com *.hostmaster.bibro.com *.m.bibro.com *.mail.bibro.com *.outlook.bibro.com *.psyufww11.bibro.com *.rdp.bibro.com *.rds.bibro.com *.rdweb.bibro.com *.remote.bibro.com *.test.bibro.com *.ts.bibro.com *.vpn.bibro.com *.webvpn.bibro.com *.ww16.bibro.com *.ww25.bibro.com

Other domains in certificate

*.api.buygames.vip *.app.buygames.vip buygames.vip *.buygames.vip *.mail.buygames.vip *.shop.buygames.vip
housingny.com *.housingny.com *.mta-sts.housingny.com *.vpn.housingny.com *.www.housingny.com
*.87ab5.ibukotabaru.xyz *.95vhx.ibukotabaru.xyz *.doh.ibukotabaru.xyz *.gjdvb.ibukotabaru.xyz ibukotabaru.xyz *.ibukotabaru.xyz *.mp7tf.ibukotabaru.xyz *.ndifg.ibukotabaru.xyz *.new.ibukotabaru.xyz *.out.ibukotabaru.xyz *.sbd1u.ibukotabaru.xyz *.trqfxaqzmk.ibukotabaru.xyz *.uugt9.ibukotabaru.xyz *.vizaseq.ibukotabaru.xyz *.zfzvix7pal.ibukotabaru.xyz *.zrjwn014w8.ibukotabaru.xyz
*.com.rentalmansions.com rentalmansions.com *.rentalmansions.com
*.anyconnect.sungwon.com *.api.sungwon.com *.as9912.sungwon.com *.autodiscover.sungwon.com *.cisco.sungwon.com *.demo.sungwon.com *.dev.sungwon.com *.firewall.sungwon.com *.ftp.sungwon.com *.gateway.sungwon.com *.gp.sungwon.com *.m.sungwon.com *.mail.sungwon.com *.mbx01.sungwon.com *.old.sungwon.com *.owa.sungwon.com *.portal.sungwon.com *.postmaster.sungwon.com *.ra.sungwon.com *.ravpn.sungwon.com *.relay.sungwon.com *.remote.sungwon.com *.secure.sungwon.com *.sitemap.sungwon.com *.smtp.sungwon.com *.ssl.sungwon.com *.staging.sungwon.com *.store.sungwon.com sungwon.com *.sungwon.com *.vpn.sungwon.com *.webmail.sungwon.com