DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=przeglady.info
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
January 26, 2026
Valid Until
April 26, 2026 73 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
12:AE:93:E3:6C:46:B0:AE:B8:43:50:D3:9B:59:A2:DE:3F:1A:65:C6:49:4E:23:27:A9:C2:85:62:0F:04:15:44
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
savefromnet.com *.savefromnet.com *.1.savefromnet.com *.31.savefromnet.com *.en.savefromnet.com *.en1.savefromnet.com *.es.savefromnet.com *.fr.savefromnet.com *.id.savefromnet.com *.ru.savefromnet.com *.saveen.savefromnet.com *.sn.savefromnet.com *.uk.savefromnet.com *.ww1.savefromnet.com *.ww11.savefromnet.com *.ww16.savefromnet.com *.ww31.savefromnet.com *.ww38.savefromnet.com *.ww45.savefromnet.com *.www.savefromnet.com *.wwwa.savefromnet.com *.xn--ww-wtoa.savefromnet.com

Other domains in certificate

auto-play168.com *.auto-play168.com *.www.auto-play168.com
*.cfg.concurrent.cloud concurrent.cloud *.concurrent.cloud *.dan.concurrent.cloud *.hostmaster.concurrent.cloud *.useast1.concurrent.cloud *.wildcard.concurrent.cloud
debatemusings.org *.debatemusings.org *.ww25.debatemusings.org *.ww38.debatemusings.org
gardenology.uk *.gardenology.uk *.ww25.gardenology.uk
genzsex.us *.genzsex.us
happydate.today *.happydate.today
ide-bet-daftar.click *.ide-bet-daftar.click *.ww25.ide-bet-daftar.click
*.classic.liveauctoneers.com *.hostmaster.liveauctoneers.com liveauctoneers.com *.liveauctoneers.com *.mx7.liveauctoneers.com *.ns1.liveauctoneers.com *.ns2.liveauctoneers.com
*.en.oopslink.online *.ig.oopslink.online *.okeyhindi.oopslink.online oopslink.online *.oopslink.online *.reviewgoo.oopslink.online *.skjano.oopslink.online *.tiyaar.oopslink.online *.u.oopslink.online
*.adguard01.oploverz.vip oploverz.vip *.oploverz.vip *.www.oploverz.vip
pearly.studio *.pearly.studio
piensa.solutions *.piensa.solutions *.wildcard.piensa.solutions
portaldohalanda.com.br *.portaldohalanda.com.br *.ww25.portaldohalanda.com.br
przeglady.info *.przeglady.info
*.mail.xn--grteltasche-thb.de xn--grteltasche-thb.de *.xn--grteltasche-thb.de
*.agent.yankovich.com *.app.yankovich.com *.e.yankovich.com *.email.yankovich.com *.forum.yankovich.com *.m.yankovich.com *.t.yankovich.com *.ww17.yankovich.com *.ww25.yankovich.com yankovich.com *.yankovich.com