Open Cached · just now
77/100 SECURITY SCORE

Certificate Information

Subject
CN=www.signalkorea.co.kr
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
October 10, 2025
Valid Until
January 08, 2026 61 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
F0:AF:72:65:4D:E2:38:68:6A:A3:61:52:89:AA:DB:FC:E3:8F:CB:26:44:92:52:CC:83:59:74:98:87:A4:A0:A5
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
narumi.app

Other domains in certificate

11521764.peerly.app
1cantrade.com
atomia-test.3dcloud.io
www.admasystech.com
aleksandraszwedo.com
www.alphaxds.com
www.andigenabirding.com
asklou.io
availab.co.jp
advent.balzer-rotax.ch
www.belem.fi
dev.capps.store
app.cfoinbox.com
staging.citisense.ai
app.clintonrivertraffic.com
www.signalkorea.co.kr
demo.docs.xbot.com.vn
crashalerter.com
tam.darcas.app
appform.deanweaver.com.au
www.deportareclub.tech
www.der-schulden-rechner.de
eddtu.com
fabmindz.com
fairyhomes.ae
filander.se
staging.formpup.com
freddyhardest.com
next.frogspoon.com
www.gestionpaye.com
goeleventhmile.com
citas.hdsa.gov.co
arp.guru-pon.com
www.gypd.com
www.hacoconut.com
haenajung.com
haruntastan.com
report.awards.helpinghandbehavioralhealth.com
updates.himoon.app
music.inkihong.net
www.ipassmocks.com
ivanmccarter.com
www.j-levy.com
filmtrick.jimsfilms.com
jks-florida.com
www.jmus.se
omello.jortwiersma.nl
staging.backoffice.joymo.no
justinhardin.me
kellerville.com
kevinjacjac.com
khidmatik.com
kiethav.com www.kiethav.com
konepartstracker.com
www.kyriakos-papadopoulos.com
www.letsfundit.app
lukemenard.org
console.madhive.com
mastersdeladominance.com
nuapp.northeastern.mentorhubapp.org
mini-gamess.ru
mmo.ninja
monkekingdom.com
moored.co
mohv.demo.movello.se
mycheapapartments.com
psm.mypurposeplan.com
naturally-salt-poolaccess.es
neonblobbattle.com
app.o21.nu
ok4brain.app
onezerodigital.nl
www.onlyporn.co.uk
panpoli.eu
parrotinsights.com
pfps.portfoliolink.co.za
admin.prodeo-live.com
pulser.co
rad-standard.com
raiesbo.com
ny.rbknytt.no
graph-theory.sanchezcarlosjr.com
searchingforstillness.com
sentenceful.com
app.qa.serviceo.me
beta.shardtabletop.com
smallmiraclesedu.net
smartconsumernow.com
play.sportbuff.com
srinarayanaeyehospital.org
www.stratostreak.ch
www.sudheeksha.co
syncrosocial.com
www.tecxick.com
acroestudio.turnosweb.app
test.portal.woonig.app
www.xiclos.com
firebase.zigzag.games