DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=mathystore.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
December 13, 2025
Valid Until
March 13, 2026 32 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
9E:3E:0F:3E:FF:78:16:AB:C2:FA:02:29:14:00:BB:73:A2:5A:2E:77:93:89:BB:B5:BF:D9:8D:E9:20:80:41:A2
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
watfair.ca *.watfair.ca

Other domains in certificate

cravecall.com *.cravecall.com *.random.cravecall.com
crosstraining.com.au *.crosstraining.com.au
crunchyrill.com *.crunchyrill.com *.hostmaster.crunchyrill.com *.it-vpn-etp-internal.crunchyrill.com *.random.crunchyrill.com *.ww38.crunchyrill.com
democratsnews.com *.democratsnews.com *.trumpsucksandkamalaisawsome.democratsnews.com
dndbeond.com *.dndbeond.com
dns.bet *.dns.bet *.https.dns.bet *.io1955.dns.bet
dr115.com *.dr115.com
fadweb.org *.fadweb.org *.ww38.fadweb.org
heiwse.de *.heiwse.de *.ww38.heiwse.de
hergohomes.com *.hergohomes.com *.ww17.hergohomes.com
*.argo.homedesigns.com.au homedesigns.com.au *.homedesigns.com.au *.random.homedesigns.com.au
infitness.com.au *.infitness.com.au
*.https.leapcuemath.com leapcuemath.com *.leapcuemath.com *.shop.leapcuemath.com *.top.leapcuemath.com *.ww38.leapcuemath.com
*.berlin.lvbg.de *.duesseldorf.lvbg.de lvbg.de *.lvbg.de *.mainz.lvbg.de
mathystore.com *.mathystore.com *.ww25.mathystore.com
*.hostmaster.mediakarkt.de mediakarkt.de *.mediakarkt.de
negotiatebetterprices.com *.negotiatebetterprices.com
*.hostmaster.oldschoolhelmets.com oldschoolhelmets.com *.oldschoolhelmets.com *.www.oldschoolhelmets.com
olomogato.com *.olomogato.com
pingolf.com *.pingolf.com
quicksilver.au *.quicksilver.au
scentburd.com *.scentburd.com
spiese.de *.spiese.de
stillphotography.com.au *.stillphotography.com.au
teenchat.com.au *.teenchat.com.au
vercesi.com *.vercesi.com
wineassociates.com.au *.wineassociates.com.au
*.mailbox.wishtrust.com wishtrust.com *.wishtrust.com
*.ww25.xuiren.com xuiren.com *.xuiren.com
*.beta.yaghtworld.com *.ww41.yaghtworld.com yaghtworld.com *.yaghtworld.com