ccTLD/chについて、ここに記述してください。

$ dig dns1.prevosti.ch @a.root-servers.net 

; <<>> DiG 9.11.0-P3 <<>> dns1.prevosti.ch @a.root-servers.net
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 21476
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 8, ADDITIONAL: 17
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;dns1.prevosti.ch.              IN      A

;; AUTHORITY SECTION:
ch.                     172800  IN      NS      b.nic.ch.
ch.                     172800  IN      NS      c.nic.ch.
ch.                     172800  IN      NS      g.nic.ch.
ch.                     172800  IN      NS      f.nic.ch.
ch.                     172800  IN      NS      h.nic.ch.
ch.                     172800  IN      NS      e.nic.ch.
ch.                     172800  IN      NS      d.nic.ch.
ch.                     172800  IN      NS      a.nic.ch.

;; ADDITIONAL SECTION:
b.nic.ch.               172800  IN      A       130.59.31.43
b.nic.ch.               172800  IN      AAAA    2001:620:0:ff::58
c.nic.ch.               172800  IN      A       147.28.0.39
c.nic.ch.               172800  IN      AAAA    2001:418:1::39
g.nic.ch.               172800  IN      A       194.0.1.40
g.nic.ch.               172800  IN      AAAA    2001:678:4::28
f.nic.ch.               172800  IN      A       194.146.106.10
f.nic.ch.               172800  IN      AAAA    2001:67c:1010:2::53
h.nic.ch.               172800  IN      A       85.119.5.230
h.nic.ch.               172800  IN      AAAA    2a03:bd80:36::1:203:230
e.nic.ch.               172800  IN      A       194.0.17.1
e.nic.ch.               172800  IN      AAAA    2001:678:3::1
d.nic.ch.               172800  IN      A       200.160.0.5
d.nic.ch.               172800  IN      AAAA    2001:12ff:0:a20::5
a.nic.ch.               172800  IN      A       130.59.31.41
a.nic.ch.               172800  IN      AAAA    2001:620:0:ff::56

;; Query time: 147 msec
;; SERVER: 198.41.0.4#53(198.41.0.4)
;; WHEN: Fri Apr 07 15:35:57 JST 2017
;; MSG SIZE  rcvd: 529

$ dig dns1.prevosti.ch @a.nic.ch 

; <<>> DiG 9.11.0-P3 <<>> dns1.prevosti.ch @a.nic.ch
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 35038
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 3
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
; COOKIE: ef8749c0700426aa4907a38158e73357bcec767a84ac7ebe (good)
;; QUESTION SECTION:
;dns1.prevosti.ch.              IN      A

;; AUTHORITY SECTION:
prevosti.ch.            3600    IN      NS      dns1.prevosti.ch.
prevosti.ch.            3600    IN      NS      dns6.prevosti.ch.

;; ADDITIONAL SECTION:
dns1.prevosti.ch.       3600    IN      A       193.93.22.133
dns6.prevosti.ch.       3600    IN      A       193.93.21.220

;; Query time: 280 msec
;; SERVER: 130.59.31.41#53(130.59.31.41)
;; WHEN: Fri Apr 07 15:36:07 JST 2017
;; MSG SIZE  rcvd: 138