DNS Gurus
Open Cached · just now
91/100 SECURITY SCORE

Certificate Information

Subject
C=US, ST=New York, L=New York, O=Yahoo Holdings Inc., CN=assist.aol.com
Issuer
C=US, O=DigiCert Inc, OU=www.digicert.com, CN=DigiCert SHA2 High Assurance Server CA
Valid From
August 21, 2025
Valid Until
February 11, 2026 84 days
Public Key
ECDSA 256 bit (P-256) Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
CD:CC:38:4F:8F:74:3F:24:9A:3D:A2:DA:BF:07:22:C5:47:35:93:3C:F6:9C:A6:73:CB:E1:0B:8E:1B:D2:0B:DF
Alternative Names
86 domains

Security Configuration

TLS Protocols
TLS 1.0 TLS 1.1 TLS 1.2 TLS 1.3
Forward Secrecy
Supported (Modern clients use PFS)
Warnings
  • • TLS 1.1 is deprecated and should be disabled
  • • TLS 1.0 is deprecated and should be disabled

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=31536000
Content-Security-Policy
Good
base-uri; child-src; connect-src; +9 more
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Missing
Not configured
Recommendations
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • Strengthen CSP by removing 'unsafe-eval'
  • • 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

86 domains
assist.aol.com beta.aol.com checkoutnow.aol.com communities.aol.com discover.aol.com get.aol.com getonline.aol.com help.aol.com mailconsent.aol.com myaccount.aol.com mybenefits.aol.com myservices.aol.com mysubscriptions.aol.com payments.aol.com plans.aol.com productcentral.aol.com shield.aol.com *.assist.aol.com *.beta.aol.com *.checkout.aol.com *.checkoutnow.aol.com *.discover.aol.com *.get.aol.com *.getonline.aol.com *.help.aol.com *.myaccount.aol.com *.mybenefits.aol.com *.myservices.aol.com *.mysubscriptions.aol.com *.payments.aol.com *.plans.aol.com *.productcentral.aol.com *.shield.aol.com blog.productcentral.aol.com fr.moncompte.aol.com qa.communities.aol.com *.blog.productcentral.aol.com *.fr.moncompte.aol.com obi.stage.communities.aol.com

Other domains in certificate

myaccount.aol.ca *.myaccount.aol.ca
help.aol.co.uk *.help.aol.co.uk myaccount.aol.co.uk *.myaccount.aol.co.uk payments.aol.co.uk *.payments.aol.co.uk
desktop.aol.de *.desktop.aol.de hilfe.aol.de *.hilfe.aol.de meinkonto.aol.de *.meinkonto.aol.de
assistance.aol.fr *.assistance.aol.fr
help.compuserve.com *.help.compuserve.com myaccount.compuserve.com *.myaccount.compuserve.com payments.compuserve.com *.payments.compuserve.com
helpconnect.netscape.com *.helpconnect.netscape.com *.helpisp.netscape.com myaccount.netscape.com *.myaccount.netscape.com mysubscriptions.isp.netscape.com paymentsconnect.netscape.com *.paymentsconnect.netscape.com
checkout.finance.yahoo.com *.checkout.finance.yahoo.com checkout.mail.yahoo.com *.checkout.mail.yahoo.com checkout.yahoo.com *.checkout.yahoo.com mysubscriptions.finance.yahoo.com *.mysubscriptions.finance.yahoo.com mysubscriptions.mail.yahoo.com *.mysubscriptions.mail.yahoo.com mysubscriptions.yahoo.com *.mysubscriptions.yahoo.com plans.yahoo.com *.plans.yahoo.com qa.uk.subscriptions.yahoo.com subscriptions.yahoo.com *.subscriptions.yahoo.com