DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=gotoseka.xyz
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
February 03, 2026
Valid Until
May 04, 2026 82 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
4F:CC:CD:8F:45:CA:9F:9F:7D:24:30:69:12:71:C5:9F:98:DA:91:1F:45:A4:B0:49:98:44:7D:1A:E7:CC:05:79
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
fangjun.com *.fangjun.com *.owa.fangjun.com *.portal.fangjun.com *.remote.fangjun.com *.webmail.fangjun.com *.ww1.fangjun.com

Other domains in certificate

ads-world.co.uk *.ads-world.co.uk *.cpcalendars.ads-world.co.uk *.wdsworldnew.ads-world.co.uk *.ww01.ads-world.co.uk
areskoug.com *.areskoug.com *.ww25.areskoug.com
barcodesurplus.com *.barcodesurplus.com *.blog.barcodesurplus.com *.hostmaster.barcodesurplus.com *.portal.barcodesurplus.com *.sitemap.barcodesurplus.com *.vpn.barcodesurplus.com
cbeditingpng.com *.cbeditingpng.com *.classifieds.cbeditingpng.com *.nike.cbeditingpng.com *.qagatekeeper.cbeditingpng.com
comprarbarato.com *.comprarbarato.com *.crm.comprarbarato.com
comprasegura.com *.comprasegura.com *.ww01.comprasegura.com
dviantart.com *.dviantart.com *.elenadudina.dviantart.com *.feliche.dviantart.com *.g-i-z-m-o.dviantart.com *.jukara.dviantart.com *.ka-tana.dviantart.com *.nif.dviantart.com *.ww17.dviantart.com
gotoseka.xyz *.gotoseka.xyz *.mail.gotoseka.xyz
*.activate.hawp.com *.casper.hawp.com hawp.com *.hawp.com *.leads.hawp.com *.np.hawp.com *.rma.hawp.com *.ww01.hawp.com *.ww1.hawp.com
hollywoodactress.org *.hollywoodactress.org *.ww38.hollywoodactress.org
keydacare.com *.keydacare.com *.ww25.keydacare.com *.ww38.keydacare.com
maximoda.store *.maximoda.store *.sitemap.maximoda.store
mstdn.wiki *.mstdn.wiki *.original.mstdn.wiki
*.argo.plantat.com plantat.com *.plantat.com
plasticsupplyofnashville.com *.plasticsupplyofnashville.com *.ww38.plasticsupplyofnashville.com
*.hostmaster.pleinsfeux.net pleinsfeux.net *.pleinsfeux.net *.wildcard.pleinsfeux.net *.ww16.pleinsfeux.net *.www.pleinsfeux.net
*.demo.pondon.com pondon.com *.pondon.com
*.admin.teminix.com *.customer.teminix.com teminix.com *.teminix.com *.www.teminix.com
uruttugalumthiruttugalum.co *.uruttugalumthiruttugalum.co