DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=zippoflamingo.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
February 11, 2026
Valid Until
May 12, 2026 89 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
E8:22:B7:C4:41:90:A5:EF:F8:29:22:4B:28:3A:81:70:DF:78:79:96:E3:1C:D1:EE:2B:00:18:46:AF:B2:43:35
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
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
alperne.com *.alperne.com *.access.alperne.com *.admin.alperne.com *.api.alperne.com *.app.alperne.com *.assets.alperne.com *.auth.alperne.com *.cloud.alperne.com *.correio.alperne.com *.emv1.alperne.com *.exchange.alperne.com *.hostmaster.alperne.com *.m.alperne.com *.mail.alperne.com *.mailgw.alperne.com *.mailserver.alperne.com *.member.alperne.com *.members.alperne.com *.rdp.alperne.com *.rds.alperne.com *.rds1.alperne.com *.rdweb.alperne.com *.remote.alperne.com *.sitemap.alperne.com *.smtp.alperne.com *.smtp1.alperne.com *.test.alperne.com *.vpn.alperne.com *.webmail.alperne.com *.ww17.alperne.com *.ww25.alperne.com

Other domains in certificate

aiuruoca.com *.aiuruoca.com *.emv1.aiuruoca.com *.exchange.aiuruoca.com *.hostmaster.aiuruoca.com *.m.aiuruoca.com *.mailgate.aiuruoca.com *.member.aiuruoca.com *.poczta.aiuruoca.com *.relay.aiuruoca.com *.sitemap.aiuruoca.com *.sitemaps.aiuruoca.com *.smtp.aiuruoca.com *.ww16.aiuruoca.com *.ww38.aiuruoca.com *.ww41.aiuruoca.com
*.api.blendedtravelrewards.com *.assets.blendedtravelrewards.com *.atlas.blendedtravelrewards.com *.beta.blendedtravelrewards.com blendedtravelrewards.com *.blendedtravelrewards.com *.click.blendedtravelrewards.com *.css.blendedtravelrewards.com *.discussion.blendedtravelrewards.com *.ev.blendedtravelrewards.com *.health.blendedtravelrewards.com *.landing.blendedtravelrewards.com *.lp.blendedtravelrewards.com *.ohhfitest.blendedtravelrewards.com *.test.blendedtravelrewards.com
*.cars.cocars.com cocars.com *.cocars.com *.fca.cocars.com *.hostmaster.cocars.com *.koco.cocars.com *.nutritionfarm.cocars.com *.topgear.cocars.com *.udemy.cocars.com *.web.cocars.com *.ww25.cocars.com
cxx.rest *.cxx.rest
grandjp101.net *.grandjp101.net
*.api.kawat.com *.backup.kawat.com kawat.com *.kawat.com *.mail.kawat.com *.sitemaps.kawat.com *.vanka.kawat.com *.ww38.kawat.com *.ww4.kawat.com
*.ww7.zippoflamingo.com zippoflamingo.com *.zippoflamingo.com