Using Dig on HTB targets

So, am I missing something. Looks like every box I try to dig on just sents me to the basic reply and not the box itself. Like I get a.root-servers.net and verisign replies back.

Is there a way around this?

Example on Fortress

dig @10.13.37.10

; <<>> DiG 9.11.5-P4-5.1+b1-Debian <<>> @10.13.37.10
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: REFUSED, id: 21871
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;. IN NS

;; Query time: 44 msec
;; SERVER: 10.13.37.10#53(10.13.37.10)
;; WHEN: Fri Jan 03 01:03:54 CST 2020
;; MSG SIZE rcvd: 28