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SECURITY SCORE
Certificate Information
Subject
CN=zul.app
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
November 16, 2025
Valid Until
February 14, 2026
88 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
FF:9A:36:0F:68:03:69:B6:29:2F:FB:FE:53:31:E7:9E:68:B1:09:92:72:7D:69:E9:54:27:85:E0:39:43:C3:38
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
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
edukit-tp.me
11480577.stratics.io
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aistudyassistant.uz
habib.almuwasholah.com
appclick.ai
arabgbank.com
www.art-promenade.net
auth-cms.com
banclog.shop
www.banclog.shop
bandhanpoints.tech
eink.barrowscs.com
pulser-web.beti.pro
upskills.bicrec.in
brasileirissimos.pt
integration.brewfather.app
buggypeasy.com
dev.careyo.life
news-feed.carlosagosto.com
www.cenkduzsigorta.com
amst.co.in
career.quantic.co.in
aitstudio.co.kr
www.halalbrothers.co.kr
www.hongsin33.co.kr
tagvsol.co.zw
www.coordinadores-libre.site
www.crescentflare.com
www.cryptogram-puzzles.com
dafneuv.info
pendulumartstudio.db-braun.com
www.degenisland.xyz
dev-scoutandcellar.com
devfrnds.com
faf4-sb-old.sachso.edu.vn
app.efines.pl
ko.elwiz.io
launchkit.evilmartians.io
fabrilnet.com.br
sandbox.fundwave.app
gourmet-pages.com
gournal.app
www.gps-nakaji.com
hauntinghumans.com
highs.dev
campaign.honethailand.com
idraulicoacuneo.it
viewer-dev.input4you.be
jgreis.de
www.jotnotes.org
juppunya.com
kazahana.org
aec-carbon-farm.kinfri.online
cv.klinikalmanya.com
kunkupatri.com
www.lamoa.com.br
staging.linkfive.io
www.listique.co.uk
logangutknecht.com
www.luizagarofalo.com
app.meteopress.cz
www.meupaineldeestudos.com.br
mrmanutencaomalaquia.com.br
test.mypr.sh
neurofocuscoaching.co.uk
novavision.lu
www.nqcagency.com
ntropy.at
pdftrue.com.br
www.pdftrue.com.br
lovejob.phoenixnetrete.it
www.pitacoin.app
www.plusultrastore.ch
fbdistlist.polytechniccolleges.in
kallaminoblockchain.pro.et
kallaminoblockchainers.pro.et
crm.qqura.com
rackfy.com.br
www.rhmnidfixer.online
rockwells.mx
www.rudat-it-services.de
searchtidy.com
parents.statscentral.co
teams.statscentral.co
subzero-wolf.repair
www.subzero-wolf.repair
dashboard.talab.ly
www.talentlinq.io
pruscpa.tallyfor.com
www.themascotuganda.com
ezlink.timeskip.dev
tradalim.fr
www.traveligent.app
logo.vinadesign.vn
www.vypiszregistrudluzniku.cz
yellowdroptaxi.com
tts.yyware.com
zul.app
Other domains in certificate