Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=cobblemonserver.com.br
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
February 01, 2026
Valid Until
May 02, 2026 71 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
72:25:97:CD:51:C2:9E:6B:CA:CE:D7:8D:81:89:3C:61:AF:E5:0F:C2:DA:47:00:FB:0A:FF:26:C5:56:4E:88:B9
Alternative Names

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

72 domains
sourcebook.co.uk *.sourcebook.co.uk

Other domains in certificate

2verfrctionappnetsecals.com *.2verfrctionappnetsecals.com *.support.2verfrctionappnetsecals.com
apartmentsforsalein2024.space *.apartmentsforsalein2024.space *.doh.apartmentsforsalein2024.space *.studio.apartmentsforsalein2024.space
*.api.burner.bio *.app.burner.bio burner.bio *.burner.bio *.sitemap.burner.bio *.sitemaps.burner.bio *.www.burner.bio
ceetuweevozegu.xyz *.ceetuweevozegu.xyz *.f55fc433-ab6d-47d4-81cc-9f36e1111f99.ceetuweevozegu.xyz
cobblemonserver.com.br *.cobblemonserver.com.br
jod.com.pl *.jod.com.pl *.wildcard.jod.com.pl
dailycontactlenses.uk *.dailycontactlenses.uk *.demo.dailycontactlenses.uk
douluos.xyz *.douluos.xyz *.ww25.douluos.xyz *.www.douluos.xyz
f4f.studio *.f4f.studio *.flowiseai.f4f.studio
feiniaovip.xyz *.feiniaovip.xyz *.random.feiniaovip.xyz *.ww25.feiniaovip.xyz
libyamall.life *.libyamall.life
mailability.co.uk *.mailability.co.uk
medital.co *.medital.co
*.7miqk.n55.eu *.f0mxd.n55.eu n55.eu *.n55.eu
*.cserhatsurany.notariesofeurope-congress2017.eu *.jozsefvaros.notariesofeurope-congress2017.eu *.keszthely.notariesofeurope-congress2017.eu notariesofeurope-congress2017.eu *.notariesofeurope-congress2017.eu *.tomorkeny.notariesofeurope-congress2017.eu
phukienbytetech.com *.phukienbytetech.com
*.ke6zbu5s7k.qtybhrnopz.net qtybhrnopz.net *.qtybhrnopz.net
thirstygoose.co *.thirstygoose.co
*.home.vloja.online *.sitemap.vloja.online vloja.online *.vloja.online *.web.vloja.online
*.sitemaps.wagb.club wagb.club *.wagb.club *.www.wagb.club
wdhqk.com *.wdhqk.com