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=uknucleareducation.net
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
April 26, 2026
Valid Until
July 25, 2026 60 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
B7:02:F4:57:74:5C:BA:7D:62:33:68:2B:CC:F8:BA:AB:05:67:29:52:35:54:98:A3:CF:D9:A5:80:B6:E8:AC:91
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 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

89 domains
nfx.de *.nfx.de *.asnvgpck.nfx.de *.ww38.nfx.de

Other domains in certificate

anglia.today *.anglia.today
apkmodio.com *.apkmodio.com
*.admin.babymedicines.com babymedicines.com *.babymedicines.com *.ww1.babymedicines.com *.ww11.babymedicines.com *.ww16.babymedicines.com *.ww17.babymedicines.com *.ww25.babymedicines.com *.ww38.babymedicines.com *.ww41.babymedicines.com
basic.com.au *.basic.com.au *.linux.basic.com.au *.random.basic.com.au *.wildcard.basic.com.au
bcbsns.com *.bcbsns.com
chillo.site *.chillo.site *.rx.chillo.site
elitbahis768.com *.elitbahis768.com *.random.elitbahis768.com
finanskarnesi.com *.finanskarnesi.com *.vpn.finanskarnesi.com
fter.club *.fter.club *.hostmaster.fter.club *.random.fter.club *.www.fter.club
happyapk.co *.happyapk.co *.ww25.happyapk.co
humanpotentials.co *.humanpotentials.co
kkclubgame.co *.kkclubgame.co
lajubet.click *.lajubet.click
limudbiblika.com *.limudbiblika.com *.ns2.limudbiblika.com *.vps-247103.limudbiblika.com *.www.limudbiblika.com
moviswill.com *.moviswill.com
*.mail.nexomedia.io nexomedia.io *.nexomedia.io
pawsandmorecornwall.co.uk *.pawsandmorecornwall.co.uk *.preview.pawsandmorecornwall.co.uk *.random.pawsandmorecornwall.co.uk
pornester.com *.pornester.com
*.16.radomiak.eu *.git.radomiak.eu *.live.radomiak.eu radomiak.eu *.radomiak.eu *.x1127y20485.radomiak.eu *.x563y13248.radomiak.eu *.x865y46660.radomiak.eu
*.cicd.sex787.rocks *.e1.sex787.rocks sex787.rocks *.sex787.rocks
superannuationguide.com.au *.superannuationguide.com.au *.ww25.superannuationguide.com.au
*.hostmaster.uknucleareducation.net *.mail.uknucleareducation.net uknucleareducation.net *.uknucleareducation.net *.ww11.uknucleareducation.net *.ww12.uknucleareducation.net *.ww25.uknucleareducation.net
*.ww25.younganofct.org younganofct.org *.younganofct.org