DNS Gurus
Open Cached · just now
77/100 SECURITY SCORE

Certificate Information

Subject
C=US, ST=Maryland, O=Marriott International Inc., CN=www.marriott.com
Issuer
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA OV R36
Valid From
October 01, 2025
Valid Until
October 01, 2026 329 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
FF:A9:25:C3:FB:40:34:D0:63:DF:FC:BB:E1:1B:4E:31:D2:19:EF:88:7D:71:74:48:7F:D5:C2:F4:54:31:33:8C
Alternative Names
92 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
Present
max-age=86400 ; includeSubDomains
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

92 domains
marriott.com arabic.marriott.com auth.marriott.com cache.marriott.com ci-propertyconversionportal.marriott.com clean.marriott.com cwp.marriott.com espanol.marriott.com homes-and-villas.marriott.com learningcontent.marriott.com news.marriott.com oci-prod-integration-mipaasiaasservices-dlz.marriott.com oci-prod-integration-mipaasiaasservices-hireright.marriott.com oci-prod-integration-mipaasiaasservices-iam.marriott.com prod-mipaasiaasservices.marriott.com qrcode.marriott.com whattoexpect.marriott.com www.marriott.com channel-portal.homes-and-villas.marriott.com webhook.hvmi.marriott.com www.arabic.marriott.com www.auth.marriott.com www.engage.marriott.com www.engagecris.marriott.com www.engageproperty.marriott.com www.espanol.marriott.com www.grouppartners.marriott.com www.homes-and-villas.marriott.com www.travelagents.marriott.com

Other domains in certificate

arabic.reservations.bulgarihotels.com reservations.bulgarihotels.com
reservations.bulgarihotels.fr
reservations.bulgarihotels.it
reservations.bulgarihotels.jp
marriott.co.kr reservations.bulgarihotels.co.kr www.marriott.co.kr
cache.marriott.com.cn empower-enrollment.marriott.com.cn marriott.com.cn reservations.bulgarihotel.com.cn wechat.api.marriott.com.cn www.marriott.com.cn
www.marriott.com.qa
marriott.com.ru reservations.bulgarihotels.com.ru www.marriott.com.ru
marriott.com.tr www.marriott.com.tr
www.marriott.com.tw
www.deltahotels.com
reservations.gaylordnational.gaylordhotels.com reservations.gaylordpalms.gaylordhotels.com reservations.texas.gaylordhotels.com
gaylordnationaltickets.com www.gaylordnationaltickets.com
gaylordpalmstickets.com www.gaylordpalmstickets.com
gaylordtexantickets.com www.gaylordtexantickets.com
getgaylordtickets.com www.getgaylordtickets.com
www.marriott.bh
marriott.co.jp www.marriott.co.jp
marriott.co.uk www.marriott.co.uk
marriott.com.au www.marriott.com.au
marriott.com.br www.marriott.com.br
marriott.de www.marriott.de
marriott.fr www.marriott.fr
marriott.it www.marriott.it
www.marriott.om
www.marriott.pl
marriott.pt www.marriott.pt
www.marriott.sa
reservations.ritzcarlton.cn rewards.ritzcarlton.cn
journey.ritzcarlton.com reservations.ritzcarlton.com rewards.ritzcarlton.com ritzcarlton.com www.journey.ritzcarlton.com www.ritzcarlton.com
reservations.ritzcarlton.jp rewards.ritzcarlton.jp