DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=txir2jsx.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
December 11, 2025
Valid Until
March 11, 2026 31 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
6B:CD:60:A3:9E:7A:BA:70:8A:EE:8C:B9:95:15:6F:59:59:79:09:C8:41:9E:64:3C:42:81:3A:C8:D0:57:53:39
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
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
coutlook.com *.coutlook.com *.gmail.coutlook.com *.inbox.coutlook.com *.maintenance-industrie.coutlook.com *.office.coutlook.com *.protection.coutlook.com *.saflinksprotection.coutlook.com *.tai.coutlook.com

Other domains in certificate

6690chat.com *.6690chat.com
advantagemobility.com *.advantagemobility.com
bauunternehmen-stramke.de *.bauunternehmen-stramke.de *.hostmaster.bauunternehmen-stramke.de
beijingpalacea17.co.uk *.beijingpalacea17.co.uk *.ww38.beijingpalacea17.co.uk
boulnger.com *.boulnger.com *.root.boulnger.com
caixabanpc.com *.caixabanpc.com
christlutheranchurchhbg.org *.christlutheranchurchhbg.org
clickondetoit.com *.clickondetoit.com *.random.clickondetoit.com
cocos.studio *.cocos.studio
friendlyseniors.net *.friendlyseniors.net *.ww16.friendlyseniors.net *.ww38.friendlyseniors.net
gextor.org *.gextor.org
*.e-koo.hair.es *.e-kool.hair.es *.ghd.hair.es hair.es *.hair.es *.matiz.hair.es *.pep.hair.es *.short.hair.es *.te.hair.es *.tea.hair.es
happysearch.org *.happysearch.org
heart-healer.ru *.heart-healer.ru
hondafinanceservice.com *.hondafinanceservice.com *.ww38.hondafinanceservice.com
*.api.laosoofung.com *.apis.laosoofung.com *.dev-api.laosoofung.com *.dev.laosoofung.com laosoofung.com *.laosoofung.com *.ww25.laosoofung.com
lrf-blog.com *.lrf-blog.com *.random.lrf-blog.com
makemaytrip.com *.makemaytrip.com
medicaldirectory.com.au *.medicaldirectory.com.au *.random.medicaldirectory.com.au
*.hostmaster.myattt.com myattt.com *.myattt.com
*.host.predohraniteli.online predohraniteli.online *.predohraniteli.online
schfangerschaftstest.de *.schfangerschaftstest.de
tasksshare.com *.tasksshare.com
txir2jsx.com *.txir2jsx.com
eddies.za.net *.eddies.za.net edencc.za.net *.edencc.za.net jmsadvanced.za.net *.jmsadvanced.za.net
duchennegroup.za.org *.duchennegroup.za.org