Open
Cached
·
just now
89/100
SECURITY SCORE
Certificate Information
Subject
CN=books.tekwaveconsulting.com
Issuer
C=US, O=Let's Encrypt, CN=E8
Valid From
January 05, 2026
Valid Until
April 05, 2026
57 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
7A:D5:D1:8A:D0:AF:B3:DE:C8:18:56:09:9B:F1:6D:0C:24:B4:F6:42:5D:40:4C:91:6A:16:38:9B:CA:BA:08:FA
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
Excellent
max-age=64072000; includeSubDomains; preload
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Add Content-Security-Policy header to prevent XSS attacks
- • 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
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts
- • Consider adding 'issuewild' records to control wildcard certificate issuance
Subject Alternative Names
90 domains
billing.comprehensive-computing.com
books.aaki.ae
finance.alomrangroup.org
books.alternatorsolution.com
facturacion.anunciosferco.com
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clientes.gapcsolutions.com
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invoices.micampcorp.com
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mypayments.payizi.io
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books.treadall.com
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administracion.viafirma.com
books.webscalar.net
books.wizbytenetworks.com
books.zambranosproduce.com
e3yfkf.books.cs.zohohost.com
Other domains in certificate