DNS problem, after upgrade

That’s a swap file that’s usually created by vim. If you don’t use vim, maybe someone else does. If no one has vim open on the machine and the file still exists, remove it.

The file don’t exist.
And now have other problem… the backup server feldc01 now isn’t responding to dns… i can ping by ip but dig responds as it was the ccmdc01 (main server that have the ip

dig feldc01.ccm.local

; <<>> DiG 9.10.3-P4-Univention <<>> feldc01.ccm.local
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 38437
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

; EDNS: version: 0, flags:; udp: 4096
;feldc01.ccm.local.             IN      A

ccm.local.              3600    IN      SOA     ccmdc01.ccm.local. hostmaster. 167 900 600 86400 3600

;; Query time: 0 msec
;; WHEN: Thu Mar 29 15:01:29 WEST 2018
;; MSG SIZE  rcvd: 100

The answer should be