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SECURITY SCORE
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Certificate Information
Subject
C=US, ST=California, L=San Francisco, O=Airbnb, Inc., CN=www.airbnb.com
Issuer
C=US, O=DigiCert Inc, CN=DigiCert Global G3 TLS ECC SHA384 2020 CA1
Valid From
January 27, 2026
Valid Until
January 26, 2027
275 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
F3:83:AF:DC:84:78:CC:2E:9B:95:4A:8A:14:69:80:74:1A:F1:D7:C9:69:3B:15:2A:0A:7B:BE:9C:7C:9C:FD:A1
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=10886400; includeSubdomains
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
- • 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
95 domains
ar.airbnb.com
bg.airbnb.com
es-l.airbnb.com
es.airbnb.com
he.airbnb.com
hr.airbnb.com
ka.airbnb.com
mk.airbnb.com
mt.airbnb.com
sk.airbnb.com
sq.airbnb.com
sw.airbnb.com
th.airbnb.com
www.airbnb.com
zu.airbnb.com
www.airbnb.ae
www.airbnb.al
www.airbnb.am
www.airbnb.at
www.airbnb.az
www.airbnb.ba
fr.airbnb.be
www.airbnb.be
fr.airbnb.ca
www.airbnb.ca
www.airbnb.cat
fr.airbnb.ch
it.airbnb.ch
www.airbnb.ch
www.airbnb.cl
www.airbnb.cn
www.airbnb.co.cr
www.airbnb.co.id
www.airbnb.co.il
hi.airbnb.co.in
www.airbnb.co.in
www.airbnb.co.kr
www.airbnb.co.nz
www.airbnb.co.uk
www.airbnb.co.ve
www.airbnb.co.za
www.airbnb.com.ar
www.airbnb.com.au
www.airbnb.com.bo
www.airbnb.com.br
www.airbnb.com.bz
www.airbnb.com.co
www.airbnb.com.ec
www.airbnb.com.ee
www.airbnb.com.gt
www.airbnb.com.hk
www.airbnb.com.hn
www.airbnb.com.hr
www.airbnb.com.kh
www.airbnb.com.mt
www.airbnb.com.my
www.airbnb.com.ni
www.airbnb.com.pa
www.airbnb.com.pe
www.airbnb.com.ph
www.airbnb.com.py
www.airbnb.com.ro
www.airbnb.com.sg
www.airbnb.com.sv
www.airbnb.com.tr
www.airbnb.com.tw
www.airbnb.com.ua
www.airbnb.com.vn
www.airbnb.cz
www.airbnb.de
www.airbnb.dk
www.airbnb.es
www.airbnb.fi
www.airbnb.fr
www.airbnb.gr
www.airbnb.hu
ga.airbnb.ie
www.airbnb.ie
www.airbnb.is
www.airbnb.it
www.airbnb.jp
www.airbnb.la
www.airbnb.lt
www.airbnb.lu
www.airbnb.lv
www.airbnb.me
www.airbnb.mx
www.airbnb.nl
www.airbnb.no
www.airbnb.pl
www.airbnb.pt
www.airbnb.rs
www.airbnb.se
www.airbnb.si
a0.muscache.com
Other domains in certificate