77/100 SECURITY SCORE

Certificate Information

Subject
CN=link.refcome.team
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
December 06, 2025
Valid Until
March 06, 2026 46 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
8E:BB:F0:9C:18:47:2D:D4:D7:EB:05:7F:EE:7C:E9:38:AE:C5:A1:59:A4:B6:00:BB:5E:F5:CA:DC:D0:82:95:EA
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
www.developerweekend.org

Other domains in certificate

a-p.ro
redirect.acatar.pl
alexpjames.com
multibridge.angeldao.org
onetouch-link.astropay.com
baslyk.se
www.brainpath.in
bunfan.games
www.bytelinktechnologies.com.au
hall-of-mirrors.charlie-richardson.co.uk
cheekypixel.dev
www.craig.bar
www.cyl2004.com
d4-d5.net
inspection-s.dev-ltl-xpo.com
www.eedeutschland.org
demo.eliar.cloud
elrincondesita.com
webdev.endrf.com
eqlty.co
f5wc.com
fixzera.com
www.frallappen.se
hfp.fred.monster
getambo.com
appadmin.globalpulses.com
www.goodfoodcoop.org.uk
hfccoin.org
api.staging.illust.space
devv3.inseat.menu xprcolumbuszoodemo.inseat.menu
pairwise.isawesome.app
crypto21.itchitech.com
joanisallushi.com
joewymancode.com
purchase.journey.cloud
jovicheer.dev
katievining.com
ptoolonkatu-dev.kesselrun.dev
backend.key2access.com
lfsinformatica.com.br
lifeschools.ca
www.makoto-investments.jp
matthaddon.org
app.mednow.ca
covid.mesquiteobgyn.com
minesafevr.com
moraldimension.com
energyandenvironment.net.nz
www.newsprovenanceproject.org
www.olli.au
linguist.onesky.app
www.pawsomelist.com
www.pb256.co
photon.software
piccinini.dev
placetell.com
engineering.polymerize.io
proofofsound.com
www.proveyance.co.uk
www.pusheen.dev
rachelsapps.com
link.refcome.team
www.reissukulut.fi
romualdus.com
habit-calendar.roslaniec.dev
watch.rupupu.com
www.screenreader.app
shop.selflane.com
shchepanskyy.com
sheets-n-dices.app
www.smarklabs.ca
www.smartsquad.io
sofa-guenstig-kaufen.de
www.sologt.com
auction.spectors.in
www.stefanvott.com
streamcompanion.app
app.stripcss.com
public.stx.world
lp.taisyoku-madoguchi.jp
tastio.com
theloftvideo.com
cdn.core.timeedit.io
www.tradeeasy.com.au
englishactually.turnosweb.app ragnarok.turnosweb.app
www.typo.nyc
watchlist.dev.veritone.com
visualiser.app
login.vyompay.in
westchestermusiclab.com
test.willowoaks.com
xlerin.eu
www.yesyep.io
yorga.team
www.zacharyinserra.com
www.zegaaneindelijktrouwen.nl
app.zhylar.com