DNS/hijacking/SubdomainTakeover/providerについて、ここに記述してください。
Affected Service Providers and Domain Owners
We’ve identified at least 17 Service Providers which do not handle the subdomain ownership verification properly – allowing this vulnerability to be exploited, Heroku, Github, Bitbucket, Squarespace, Shopify, Desk, Teamwork, Unbounce, Helpjuice, HelpScout, Pingdom, Tictail, Campaign Monitor, CargoCollective, StatusPage.io and Tumblr.
Update 2017-02-20: The original article states 17 services, we have now identified 100+ different ways that you can be vulnerable to a domain takeover
Domain Monitoring Service https://detectify.com/domain-monitoring
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