MEDIUM SEVERITYHOSTINGID: bitbucket
Bitbucket Cloud Dangling DNS Takeover Fingerprint
CNAME points to Bitbucket Cloud Pages where the workspace or repository has been renamed or deleted.
CNAME Fingerprint Rule
bitbucket.io
404 Not Found
Response Body Token
“Repository not found”
When SubdomainWatch scanner receives HTTP responses matching this token on a dangling CNAME, it raises a critical alert immediately.
Remediation Guide & Mitigation
Action Required: Remove the CNAME pointing to bitbucket.io.
Immediate Defensive Checklist:
- Audit authoritative DNS zone records for any CNAME records pointing to
bitbucket.io. - Verify whether the corresponding target resource is still active in your cloud tenant.
- If the service was deprecated, delete the DNS record immediately to prevent hijackers from claiming the endpoint.
- Add automated continuous monitoring to alert before third parties can register matching resource names.
Monitor Bitbucket Cloud In Real-Time
SubdomainWatch continuously monitors your DNS zones for orphaned Bitbucket Cloud pointers, expired certificates, and dangling records 24/7.
Related Cloud Takeover Signatures
CLOUDCRITICAL
AWS S3
*.s3.amazonaws.com / *.s3-website-*.amazonaws.com
HOSTINGCRITICAL
GitHub Pages
*.github.io
HOSTINGCRITICAL
Heroku App
*.herokudns.com / *.herokuapp.com
CLOUDCRITICAL
Microsoft Azure App Service
*.azurewebsites.net / *.cloudapp.net
CLOUDCRITICAL
AWS CloudFront
*.cloudfront.net
CLOUDCRITICAL
AWS Elastic Beanstalk
*.elasticbeanstalk.com