DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Detected Technologies

See all in URL Inspect 1
Let's Encrypt logo Let's Encrypt

Certificate Information

Subject
CN=vicwin.tel
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
February 18, 2026
Valid Until
May 19, 2026 82 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
9E:64:80:55:AD:75:33:B9:05:18:D0:EE:DC:68:BF:6D:81:66:37:9D:D2:49:FC:9A:9B:11:E9:4A:00:39:D4:A7
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 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

90 domains
vicwin.tel *.vicwin.tel *.261f54cb-c884-4705-9baf-10118664c892.vicwin.tel *.4c4e014d-2fed-4656-9eb1-9f8aead8f2e1.vicwin.tel *.88d310b8-e924-45a9-a980-1849ce7fdafc.vicwin.tel *.admin.vicwin.tel *.api.vicwin.tel *.app.vicwin.tel *.assets.vicwin.tel *.b3c240d4-1e89-4fb0-9ebc-13c0ccdd9068.vicwin.tel *.dashboard.vicwin.tel *.demo.vicwin.tel *.dev.vicwin.tel *.email.vicwin.tel *.ftp.vicwin.tel *.hxqwhznnsxemail.vicwin.tel *.jtczrtest.vicwin.tel *.localhost.vicwin.tel *.mail.vicwin.tel *.mailer.vicwin.tel *.pop.vicwin.tel *.qa.vicwin.tel *.secure.vicwin.tel *.smtp.vicwin.tel *.staging.vicwin.tel *.stg.vicwin.tel *.uat.vicwin.tel *.v2.vicwin.tel *.vuswqznnsxemail.vicwin.tel *.web.vicwin.tel *.webdisk.vicwin.tel *.webmail.vicwin.tel *.whm.vicwin.tel *.znnsxemail.vicwin.tel

Other domains in certificate

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