Leaseweb hacked

The attackers who call themselves the KDMS Team, using a vulnerability in the DNS, gained access to the authoritative DNS servers of the domain of the largest hosting provider leaseweb.com, changed the domain master record to 67.23.254.6 and produced a site flaw.

Hello LeaseWeb
Who are you?
What is the following?
and you are a hosting company with no security
KDMS Team: Well ,, We Can See That: P

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KDMS Team page on Facebook

Getting access to dns-servers means that the attackers also got access to the client zones of the domains located on them.