Nextcloud: ci.nextcloud.com: CVE-2015-5477 BIND9 TKEY Vulnerability + Exploit (Denial of Service)

Hello Team NextCloud, In reference report 217381 I've reported the DDOS attack via DNS Port at OwnCloud.. And it was successfully patched. But now same issue I got at ci.nextcloud.com Proof Of Concept: Here it is the nmap result of ci.nextcloud.com NMap Scan Results: Starting Nmap 7.40...