Open
Cached
·
just now
80/100
SECURITY SCORE
Certificate Information
Subject
CN=kollektivzuerch.com
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
December 04, 2025
Valid Until
March 04, 2026
51 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
5F:62:2B:3B:49:65:0A:88:01:CF:CA:B1:63:01:C8:69:35:7C:2F:8C:8E:60:2A:4F:FD:B0:86:7A:9B:45:DB:30
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
Configured
(Restricts certificate issuance)
Current Issuer
Authorized
(Matches CAA policy)
Authorized CAs
Wildcard CAs
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • You have authorized 5 CAs - consider limiting to only the CAs you actively use
- • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts
Subject Alternative Names
100 domains
gerher.com
www.0xua.app
2dcstudio.com
share.authenticator.2stable.com
accorducorps.fr
admin.marquee.activecove.com
www.agendafacilcliente.com
alperdagli.me
alterwabbit.com
auth.amal.express
amarabeautysalon.com
anvarat.com
www.anvarat.com
arjunmadavoor.com
arkforge.net
ayanengenharia.com
beemind.ai
link.brian.study
buildo.sk
casatuacocina.com
uat.chapterly.in
line.central.co.th
www.afrohoneyguide.co.zw
www.conodoble.com
dev.varever.cradlecode.com
mvp.craftyourtaste.com
admin.datototal.cl
calculator.dave-becker.com
digisell.pro
edinaleckovic.com
python.docs.encord.com
nahuales.enimod.com
firebase-test.funktronics.ca
www.ganacontupc.com
developer.greythr.com
hadinsolution.com
harshtonschools.com
www.healthmaddy.com
hoodsfood.com
www.ibossco.com
admin.ictacademies.com
sportpont.idata.hu
developer.imobzi.app
admin.inddigi.com
www.infraconsheltersafrica.com
www.itboomi.com
winvirusai.jakejoris.lt
jokates.com
www.jonfadum.com
jugglertoolbox.kakaojp.com
mycounter.kakaojp.com
kaushal.dev
www.kelvinzhao.com
v1-5.portfolio.kfzaki.com
kollektivzuerch.com
api.kotomarket.pl
design.components.lab.mobi
mawoservices.com
www.merqury.co.uk
miradamagicca.com
motokadr.com
www.multiengenhariasolar.com.br
l.nested.com
www.nexigoenergy.com
nhabogrocery.com
nixorobex.com
auth.obboco.com
ojstudio.com.br
system.admin.ordee.io
orderportal-dev.pharox.io
www.printer-px.com
ravibs.com
auth.roadtodevelopers.com
www.robindesarcy.com
www.selviautomobiles.com
panel.sipass.io
teleprompter.soturimedia.in
www.stefanward.com
designer.studyu.health
sunyside.co.jp
swsssmart.io
www.tankerch.com
omni.message.tec.br
tegg.app
www.trungtrinh.ca
app.unwrapyourdream.com
dashboard.veniceprojectcenter.org
xn--82c4adcd7cf7cc7dnbe0a1d5uc.com
xn--b1aafcaklq3aedeoj3hxe.xn--p1ai
www.xn--b3cwandbj0pfce1b0jvek.com
xn--bootsprfungen-2ob.de
xn--foa.cc
xn--m3cegb8b0a1ec9l.com
xn--p89a642cbrdpa843j.com
gameshow.xn--skjrgrds-e0ah.no
www.xn--t8jb7q741sor8b.jp
xn--t8jb7q741sor8b.jp
xn--vabadpevad-v5a.ee
www.xn--x8j6kwfr23k.com
www.yumibm.com
Other domains in certificate