Keycdn (kxcdn.com) is not vulnerable for subdomain takeover #112
Description
Service name
Content delivery, simplified (https://www.keycdn.com/).
Documentation
It seems that there is no way to claim dangling CNAME record to kxcdn.com entry. As record of kxcdn.com has following structure:
<user-provided-input>-<keycdn-user-ID>.kxcdn.com
attacker has only control of the first part of the entry (i.e. <user-provided-input>) second part is (<keycdn-user-ID>) is assigned by the KeyCdn during registration.