77/100 SECURITY SCORE

Certificate Information

Subject
CN=best.rozliczenia-online.com
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
June 25, 2026
Valid Until
September 23, 2026 38 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
D9:CD:E3:6D:8A:DE:EF:82:FF:F1:4B:EC:3F:39:8C:8B:E9:C4:68:7C:E0:D1:4D:30:3E:1F:7F:C2:22:46:99:6E
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
Present
max-age=31556926
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
  • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • 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

100 domains
zltco.com account.zltco.com apps.zltco.com legal.zltco.com maps.zltco.com resources.zltco.com

Other domains in certificate

websummit.apolus.ai
apuappi.fi
ardaacar.xyz
app.avino.aero
www.bluemoon.ng
boursa.me
www.businessrpractice.co.za
sklink.capular.world
carecart.org www.carecart.org
invite-test2.careease.kr
app.clivexi.com
cloud8shop.com
www.colatino.com.br
www.crossfithex.site
www.designdeponta.com.br
kosariv.dragon-mist.com
eduardorocha.dev.br
www.eppytech.com
estimeai.com.br
partner.events6.com
www.expressotecsalvador.com.br
a0g4.foodle.su
www.futsie.app
getlogs.name.ng
www.goose-architecture.ru
www.iamzakir.co.uk
polis-appen.infosynk.se
jenniferandgabe.com
pulse.kanalia.io
yogaday.katiesyogacollective.co.uk
cad.kindercode.com.my
linkriot.kisline.com
krisara.in
laglanz.com
lakecomedo.com
safemaster.lfv.jp
invite.lunchd.uk
meemees.ee
www.mohamedmetwaly.com
www.moja-go4tv.com
msacademysalem.in
my-lego-minifigures-collection-nk.com
www.nicodema.cl
niepodlegla.pl
app.objslice.com
obstruo.ai www.obstruo.ai
beta-qa-employer.offerdox.com
equastar.palmexus.com
vip.personalitytest.co.kr
www.philiancleaningservices.ca
pinnacleclothingny.com
pragnovalabs.com
sos-infortunistica.praticapp.it
stats.ps575vbclub.app
puresumptankcleaningservices.com
demo.quetzalmex.com
reciproitsolutions.com
birthdays.rekhansh.com
www.rent-sell.cl
best.rozliczenia-online.com
www.sanghance.com
shakami.com
oew-dev.shipskart.com staging.shipskart.com
www.humecsc.snu.ac.kr
spark.com.ly
app.specialt.co.za
stampler.nl
stawd.dev www.stawd.dev
www.street-e.ch
noralinaandalejandro.swanmoments.lat
szechuankitchen.buzz
auth.tashkentparks.uz
www.teksperimentet.dk
termo-hub.com.ua
www.thepluskorea.co.kr
trent.sa
quota.arts.tu.ac.th
www.unity4education.uz
dev.brand.urbanlyfe.in www.dev.brand.urbanlyfe.in
www.usegrox.com
super-beka.vako.dev
voice-changerai.com
www.volejbal-sokol-benesov.cz
app.vorinfo.com
www.wsnautica.com
yexii.com
kamukuywa.zaoletu.com
bita.zenithq.co
zsharplabs.com