77/100 SECURITY SCORE

Certificate Information

Subject
CN=prompt.engineer
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
December 03, 2025
Valid Until
March 03, 2026 85 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
A6:F4:4F:43:E9:94:69:7E:91:FA:DC:18:F9:81:62:A0:B4:CB:2E:3E:67:1C:68:48:1D:E0:7B:85:F4:26:4E:C5
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
dev.nextnails.care

Other domains in certificate

www.1upnote.me
www.ahmedandcoltd.co.uk
www.alameenarchitects.com
thoothukudi.anbudroptaxi.com
appleswithapples.co.za
atlashyd.in
auvaan.space
blockbuilder.co
www.bmmhome.com
www.bmore.com.au
qm.hqmural.bondvet.com
chatdemo.brainstormincstudio.com
go.burstaudio.com
chanot.dev
aflafood.co.tz
profikredyt.com.pl
come25136.id
comparacompras.com.br
qc.connektworld.com
d.dengnz.com
www.digitalgujarati.com
www.doqchat.com
portal.eaiamigo.com.br
earlypay.my
www.earnings-watcher.com
elovaltech.com
www.evzolt.com
extremalimpezaparceiros.com.br
www.fleetsuiteapp.com
staging.focus-group.jp
frecciarepair.it
www.gdagtekin.com
help.getblood.com
www.gismatrix.com
meet.go2work.com
www.green-owl-technology.com
gulabhalwawala.com
ahlladmin.demo.hng.one
welcome.holywings.com
www.hommax.com.br
app.hydrantpay.com
iniciativaeleve.com.br
www.app.invitatis.com
www.ionturcanu.net
days.jlave.dev
kangusmart.com
kavyacabs.com
www.kawinacademy.com
kzonag.net
www.launchbottle.com
web-staging.lifebox.net.au
www.livecastmedia.com
www.loveyou.jp
mariafernandatembra.com.br
mathblaster.org
firmas.megasoft.com.co
mkturk.com
modality.nz
munchybit.com
netechenergia.com.br
www.nubeverage.ca
app.oficinaturbo.com.br
omaclemarketing.com
portal.onefinance.com.br
parirudev.com
partyb.in
partytapp.com
arcoasociados.petroil.com.mx
pinarmahallesi.com
vauth.playdailyfantasy.com
prompt.engineer
security-mastering.dev.resre.bm
www.riffthegif.com
roleplaylab.com
rotec.dev
app.saladhr.com
s.saladin.vn
shooglebox.com
www.skybitmax.com
sochneaankha.com
auth-staging.sonomo.com
specialvan.it
stella-systems-app.com
stratascientific.com
suplementosmayoreo.com
tekilapps.com
thread-bare.app
traxsize.com
v2.trueframe.com
lycans.turnosweb.app
www.undervisningsplan.no
veggiepro.dk
veyonder.com
rodadepremios.viacertabanking.com.br
vidaviajesqro.com
www.videorespond.com
admin.visity.app
hermes.volundrtech.com
writemyuserstory.com