en cochant "trace" ça donne ça :

; <<>> DiG 9.3.2 <<>> @localhost hafidaggoune.com A +trace
; (2 servers found)
;; global options: printcmd
. 390200 IN NS J.ROOT-SERVERS.NET.
. 390200 IN NS K.ROOT-SERVERS.NET.
. 390200 IN NS L.ROOT-SERVERS.NET.
. 390200 IN NS M.ROOT-SERVERS.NET.
. 390200 IN NS A.ROOT-SERVERS.NET.
. 390200 IN NS B.ROOT-SERVERS.NET.
. 390200 IN NS C.ROOT-SERVERS.NET.
. 390200 IN NS D.ROOT-SERVERS.NET.
. 390200 IN NS E.ROOT-SERVERS.NET.
. 390200 IN NS F.ROOT-SERVERS.NET.
. 390200 IN NS G.ROOT-SERVERS.NET.
. 390200 IN NS H.ROOT-SERVERS.NET.
. 390200 IN NS I.ROOT-SERVERS.NET.
;; Received 228 bytes from 127.0.0.1#53(127.0.0.1) in 0 ms

com. 172800 IN NS A.GTLD-SERVERS.NET.
com. 172800 IN NS G.GTLD-SERVERS.NET.
com. 172800 IN NS H.GTLD-SERVERS.NET.
com. 172800 IN NS C.GTLD-SERVERS.NET.
com. 172800 IN NS I.GTLD-SERVERS.NET.
com. 172800 IN NS B.GTLD-SERVERS.NET.
com. 172800 IN NS D.GTLD-SERVERS.NET.
com. 172800 IN NS L.GTLD-SERVERS.NET.
com. 172800 IN NS F.GTLD-SERVERS.NET.
com. 172800 IN NS J.GTLD-SERVERS.NET.
com. 172800 IN NS K.GTLD-SERVERS.NET.
com. 172800 IN NS E.GTLD-SERVERS.NET.
com. 172800 IN NS M.GTLD-SERVERS.NET.
;; Received 506 bytes from 192.58.128.30#53(J.ROOT-SERVERS.NET) in 315 ms

hafidaggoune.com. 172800 IN NS nshost1.st2.lyceu.net.
hafidaggoune.com. 172800 IN NS nshost2.st2.lyceu.net.
;; Received 123 bytes from 192.5.6.30#53(A.GTLD-SERVERS.NET) in 160 ms

;; Received 34 bytes from 212.78.206.21#53(nshost1.st2.lyceu.net) in 27 ms