lucas@debian:/etc/bind$ dig @127.0.0.1 client.zoop

; <<>> DiG 9.11.5-P4-5.1-Debian <<>> @127.0.0.1 client.zoop
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 25867
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 2

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
; COOKIE: 62e739f26337672e71e35df65dccad8d36a3ad33fd832832 (good)
;; QUESTION SECTION:
;client.zoop.			IN	A

;; ANSWER SECTION:
client.zoop.		86400	IN	A	10.0.2.15

;; AUTHORITY SECTION:
zoop.			86400	IN	NS	server.zoop.

;; ADDITIONAL SECTION:
server.zoop.		86400	IN	A	10.0.2.15

;; Query time: 0 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Nov 13 20:27:41 EST 2019
;; MSG SIZE  rcvd: 121

lucas@debian:/etc/bind$ dig @127.0.0.1 NS client.zoop

; <<>> DiG 9.11.5-P4-5.1-Debian <<>> @127.0.0.1 NS client.zoop
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 51533
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
; COOKIE: 7ac64800a2960531e7941c495dccad9966c3ea951282d111 (good)
;; QUESTION SECTION:
;client.zoop.			IN	NS

;; AUTHORITY SECTION:
zoop.			86400	IN	SOA	server.zoop. root.zoop. 2017062769 3600 900 604800 86400

;; Query time: 0 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Nov 13 20:27:53 EST 2019
;; MSG SIZE  rcvd: 116

lucas@debian:/etc/bind$ dig @127.0.0.1 NS zoop.

; <<>> DiG 9.11.5-P4-5.1-Debian <<>> @127.0.0.1 NS zoop.
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 18799
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 2

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
; COOKIE: db8ee3056ef9fd2d0326ffb15dccada01297f4050820cc10 (good)
;; QUESTION SECTION:
;zoop.				IN	NS

;; ANSWER SECTION:
zoop.			86400	IN	NS	server.zoop.

;; ADDITIONAL SECTION:
server.zoop.		86400	IN	A	10.0.2.15

;; Query time: 0 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Nov 13 20:28:00 EST 2019
;; MSG SIZE  rcvd: 98

lucas@debian:/etc/bind$ dig @127.0.0.1 NS zeep.zoop.

; <<>> DiG 9.11.5-P4-5.1-Debian <<>> @127.0.0.1 NS zeep.zoop.
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 1241
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
; COOKIE: 385c1693f76ef6dfd3e3b4665dccada7be6b0e591fe7bc83 (good)
;; QUESTION SECTION:
;zeep.zoop.			IN	NS

;; Query time: 0 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Nov 13 20:28:07 EST 2019
;; MSG SIZE  rcvd: 66

lucas@debian:/etc/bind$ dig @127.0.0.1 NS zeep.zoop

; <<>> DiG 9.11.5-P4-5.1-Debian <<>> @127.0.0.1 NS zeep.zoop
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 41110
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
; COOKIE: 897caadc3b2e42bd256d37735dccada91077c39115e1e874 (good)
;; QUESTION SECTION:
;zeep.zoop.			IN	NS

;; Query time: 0 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Nov 13 20:28:09 EST 2019
;; MSG SIZE  rcvd: 66

lucas@debian:/etc/bind$ dig @127.0.0.1 a.zeep.zoop

; <<>> DiG 9.11.5-P4-5.1-Debian <<>> @127.0.0.1 a.zeep.zoop
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 37963
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
; COOKIE: 88339f63823416cc2d8166e95dccadb3aeed5d64cf583c8b (good)
;; QUESTION SECTION:
;a.zeep.zoop.			IN	A

;; Query time: 0 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Nov 13 20:28:19 EST 2019
;; MSG SIZE  rcvd: 68

lucas@debian:/etc/bind$