dig +trace +nodnssec busokristuskoning.be ns
; <<>> DiG 9.10.6 <<>> +trace +nodnssec busokristuskoning.be ns
;; global options: +cmd
. 514365 IN NS a.root-servers.net.
...
. 514365 IN NS m.root-servers.net.
;; Received 239 bytes from 127.0.2.2#53(127.0.2.2) in 22 ms
be. 172800 IN NS z.nsset.be.
be. 172800 IN NS a.nsset.be.
be. 172800 IN NS b.nsset.be.
be. 172800 IN NS c.nsset.be.
be. 172800 IN NS d.nsset.be.
be. 172800 IN NS y.nsset.be.
;; Received 417 bytes from 2001:dc3::35#53(m.root-servers.net) in 36 ms
busokristuskoning.be. 86400 IN NS ns.zxcs.eu.
busokristuskoning.be. 86400 IN NS ns.zxcs.nl.
busokristuskoning.be. 86400 IN NS ns.zxcs.be.
;; Received 119 bytes from 194.0.25.36#53(z.nsset.be) in 36 ms
busokristuskoning.be. 600 IN NS julissa.ns.cloudflare.com.
busokristuskoning.be. 600 IN NS agustin.ns.cloudflare.com.