DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Detected Technologies

See all in URL Inspect 1
Let's Encrypt logo Let's Encrypt

Certificate Information

Subject
CN=leao222.co
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
February 04, 2026
Valid Until
May 05, 2026 72 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
ED:54:1B:5B:81:EA:28:C4:BB:2A:B0:55:42:46:57:DD:90:9E:13:DF:D5:9C:D4:5A:A7:BC:43:94:5C:EC:CE:17
Alternative Names
89 domains

Security Configuration

TLS Protocols
TLS 1.2 TLS 1.3
Forward Secrecy
Supported (Modern clients use PFS)

HTTP Security Headers

Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Missing
Not configured Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Add Strict-Transport-Security header with max-age of at least 1 year
  • • 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

89 domains
linkcrocus.com *.linkcrocus.com

Other domains in certificate

leao222.co *.leao222.co
leao333.co *.leao333.co
lenspark.com *.lenspark.com
leon-zerkalo-5srz.xyz *.leon-zerkalo-5srz.xyz
leonbets-42x7.xyz *.leonbets-42x7.xyz
lescale.co *.lescale.co
*.cn.leshantv.net leshantv.net *.leshantv.net
lewanbuluo2022.sbs *.lewanbuluo2022.sbs
lifejourney.dev *.lifejourney.dev
ligalgojd.com *.ligalgojd.com
lilypush.com *.lilypush.com
linkhit9.club *.linkhit9.club
linkvao11bet.org *.linkvao11bet.org
lishengco.com *.lishengco.com
listacivicacomunale.it *.listacivicacomunale.it
litflixtv.com *.litflixtv.com
lluisosma.info *.lluisosma.info
loc789.info *.loc789.info
localluxe.net *.localluxe.net
lochaneileincottage.com *.lochaneileincottage.com
lonesurvivor.net *.lonesurvivor.net
longhornindoor.com *.longhornindoor.com
lppwj.cc *.lppwj.cc
lubbs.com *.lubbs.com
lucky135.club *.lucky135.club
luxuryphonecases.com *.luxuryphonecases.com
lwwhxgz252.vip *.lwwhxgz252.vip
lyfeesis.com *.lyfeesis.com
m79819.com *.m79819.com
ma221s.shop *.ma221s.shop
macsecurity.top *.macsecurity.top
magneticbindings.com *.magneticbindings.com
magneticsnowboard.com *.magneticsnowboard.com
mahadevanramesh.com *.mahadevanramesh.com
main55.food *.main55.food
makehome.it *.makehome.it
malachite.xyz *.malachite.xyz
mali2002.org *.mali2002.org
mamart.com *.mamart.com
mamifero.com *.mamifero.com
mammothtowingservice.biz *.mammothtowingservice.biz
manclubgame.app *.manclubgame.app
manexerp.com *.manexerp.com