Open
Cached
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just now
91/100
SECURITY SCORE
Certificate Information
Subject
CN=universal.dein-ruf.de
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
December 30, 2025
Valid Until
March 30, 2026
89 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
4B:B6:AB:B5:0D:74:EF:19:28:11:62:37:A3:86:9A:9B:EE:97:0F:03:DD:F3:EC:1B:4D:8B:B0:3F:B9:CD:66:A2
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
Good
max-age=63072000; includeSubDomains
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
sameorigin
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin
Permissions-Policy
Missing
Not configured
Recommendations
- • Consider adding 'preload' to HSTS for maximum security
- • Add Content-Security-Policy header to prevent XSS attacks
- • Consider adding Permissions-Policy to control browser features
CAA Records (Certificate Authority Authorization)
CAA Records
Configured
(Restricts certificate issuance)
Current Issuer
Authorized
(Matches CAA policy)
Authorized CAs
Recommendations
- • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts
- • Consider adding 'issuewild' records to control wildcard certificate issuance
Subject Alternative Names
100 domains
retro.tools
crm.aadviklabs.com
www.agendaprofissionalonline.com
www.anteihk.com
aradha.in
arshguleria.in
mexico.ascc.me
reportes.ascc.me
photos.ashish.family
app.bozp.expert
bussi.ee
chatpro.pro
hira.co.ls
packandgotravel.co.th
test.ecm.cradlecode.com
app.credencialinteligente.cl
cursoreact.es
dajohnsky.com
universal.dein-ruf.de
dopamineux.com
ebelz.com
links.fabsolucoesmkt.com.br
www.fabulae.fr
finmitr.in
business.funpinpin.com
myday.gornergrat.ch
static.gosunow.com
gpei-mennecy.fr
www.hapour.com
unlauncher.hundredgb.com
www.iabdsd.com
weather.ideascol.com
www.inmobiliariaecheverria.com
romex.it.com
www.itsltd.online
www.ka32.in
pro.kcglobed.com
ticket-test.kiwisns.com
auth-dev.komachi.ai
auth.komachi.ai
www.labirentmedya.com
www.leandroealessandro.com
chat.magister.com
www.malabarmaskin.com
e-learning.moderngospelacademy.com
jpo.moderngospelacademy.com
mottx.com
mrkilian.es
nc.nearform.com
hypercon.nilpointer.software
app.omplatform.cz
pantallas.online
auth.phil.chat
uat.dashboard.postremoit.com
forum.programming-hero.com
projex.digital
puntohogares.com
purpleberry.me
ng.rafaelzasas.com
www.rahultalukdar.in
raiva.in
www.rens-techniek.nl
rudranarayanpanda.in
connect-ng-analytics.rxoconnectmain.rxo.com
connect-ng-carrier-assigned-loads.rxoconnectmain.rxo.com
connect-ng-carrier-payments.rxoconnectmain.rxo.com
connect-ng-purchase-orders.rxoconnectmain.rxo.com
www.selectfoodtrucks.com
www.sergebadio.com
www.sergiomassip.com
portalsociofintech.sgroneclick.com
shadowgames.in
download.dev.sheercustom.com
user.smartaiforex.org
museu-unilever.softbox.com.br
stefanward.com
auth-shop.syrex.tech
theindianfoundation.org
academy.threedots.tech
underdash.pro
www.underdash.pro
ustrack17.com
www.vanterwis.ga
consola.venmail.net
vuojolahti.com
coupon.waffle.city
mikrotik.wifipublicitario.com
xn--3e0bmov0w67cqtmg8v3ic57hnmd.com
xn--hq1ba18zba.xn--3i4bz9iu8d.com
www.xn--42c6cjhs2b6b5k.com
xn--d1ahl.xn--80adoeb3adh3e.xn--90a3ac
xn--9m1b435a77azs.com
xn--api-r49dj1s3vtlwpxy1bgu2c.com
xn--karko-2ra.com
xn--sssy69dlgg.com
xn--sts-600okr.com
xn--stscenen-j0a.dk
mikrotik-red.ynriver.com
www.youniquebridalboutique.com
zycosports.in
Other domains in certificate