The query response of the root domain always seems too big due to the additional sections added by 1.1.1.1. dig
seems to do it over UDP but kdig
over TCP. What seems to be the difference? And shouldn’t the redundant additional sections be removed? @mvavrusa
$ dig . ns @1.1
; <<>> DiG 9.18.5 <<>> . ns @1.1
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 16845
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 27
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
;; QUESTION SECTION:
;. IN NS
;; ANSWER SECTION:
. 513253 IN NS a.root-servers.net.
. 513253 IN NS b.root-servers.net.
. 513253 IN NS c.root-servers.net.
. 513253 IN NS d.root-servers.net.
. 513253 IN NS e.root-servers.net.
. 513253 IN NS f.root-servers.net.
. 513253 IN NS g.root-servers.net.
. 513253 IN NS h.root-servers.net.
. 513253 IN NS i.root-servers.net.
. 513253 IN NS j.root-servers.net.
. 513253 IN NS k.root-servers.net.
. 513253 IN NS l.root-servers.net.
. 513253 IN NS m.root-servers.net.
;; ADDITIONAL SECTION:
a.root-servers.net. 513253 IN A 198.41.0.4
a.root-servers.net. 513253 IN AAAA 2001:503:ba3e::2:30
b.root-servers.net. 513253 IN A 199.9.14.201
b.root-servers.net. 513253 IN AAAA 2001:500:200::b
c.root-servers.net. 513253 IN A 192.33.4.12
c.root-servers.net. 513253 IN AAAA 2001:500:2::c
d.root-servers.net. 513253 IN A 199.7.91.13
d.root-servers.net. 513253 IN AAAA 2001:500:2d::d
e.root-servers.net. 513253 IN A 192.203.230.10
e.root-servers.net. 513253 IN AAAA 2001:500:a8::e
f.root-servers.net. 513253 IN A 192.5.5.241
f.root-servers.net. 513253 IN AAAA 2001:500:2f::f
g.root-servers.net. 513253 IN A 192.112.36.4
g.root-servers.net. 513253 IN AAAA 2001:500:12::d0d
h.root-servers.net. 513253 IN A 198.97.190.53
h.root-servers.net. 513253 IN AAAA 2001:500:1::53
i.root-servers.net. 513253 IN A 192.36.148.17
i.root-servers.net. 513253 IN AAAA 2001:7fe::53
j.root-servers.net. 513253 IN A 192.58.128.30
j.root-servers.net. 513253 IN AAAA 2001:503:c27::2:30
k.root-servers.net. 513253 IN A 193.0.14.129
k.root-servers.net. 513253 IN AAAA 2001:7fd::1
l.root-servers.net. 513253 IN A 199.7.83.42
l.root-servers.net. 513253 IN AAAA 2001:500:9f::42
m.root-servers.net. 513253 IN A 202.12.27.33
m.root-servers.net. 513253 IN AAAA 2001:dc3::35
;; Query time: 259 msec
;; SERVER: 1.0.0.1#53(1.1) (UDP)
;; WHEN: Thu Aug 18 23:48:13 CEST 2022
;; MSG SIZE rcvd: 811
$ kdig . ns @1.1
;; WARNING: truncated reply from [email protected](UDP), retrying over TCP
;; ->>HEADER<<- opcode: QUERY; status: NOERROR; id: 13632
;; Flags: qr aa rd ra; QUERY: 1; ANSWER: 13; AUTHORITY: 0; ADDITIONAL: 26
;; QUESTION SECTION:
;; . IN NS
;; ANSWER SECTION:
. 517382 IN NS a.root-servers.net.
. 517382 IN NS b.root-servers.net.
. 517382 IN NS c.root-servers.net.
. 517382 IN NS d.root-servers.net.
. 517382 IN NS e.root-servers.net.
. 517382 IN NS f.root-servers.net.
. 517382 IN NS g.root-servers.net.
. 517382 IN NS h.root-servers.net.
. 517382 IN NS i.root-servers.net.
. 517382 IN NS j.root-servers.net.
. 517382 IN NS k.root-servers.net.
. 517382 IN NS l.root-servers.net.
. 517382 IN NS m.root-servers.net.
;; ADDITIONAL SECTION:
a.root-servers.net. 517382 IN A 198.41.0.4
a.root-servers.net. 517382 IN AAAA 2001:503:ba3e::2:30
b.root-servers.net. 517382 IN A 199.9.14.201
b.root-servers.net. 517382 IN AAAA 2001:500:200::b
c.root-servers.net. 517382 IN A 192.33.4.12
c.root-servers.net. 517382 IN AAAA 2001:500:2::c
d.root-servers.net. 517382 IN A 199.7.91.13
d.root-servers.net. 517382 IN AAAA 2001:500:2d::d
e.root-servers.net. 517382 IN A 192.203.230.10
e.root-servers.net. 517382 IN AAAA 2001:500:a8::e
f.root-servers.net. 517382 IN A 192.5.5.241
f.root-servers.net. 517382 IN AAAA 2001:500:2f::f
g.root-servers.net. 517382 IN A 192.112.36.4
g.root-servers.net. 517382 IN AAAA 2001:500:12::d0d
h.root-servers.net. 517382 IN A 198.97.190.53
h.root-servers.net. 517382 IN AAAA 2001:500:1::53
i.root-servers.net. 517382 IN A 192.36.148.17
i.root-servers.net. 517382 IN AAAA 2001:7fe::53
j.root-servers.net. 517382 IN A 192.58.128.30
j.root-servers.net. 517382 IN AAAA 2001:503:c27::2:30
k.root-servers.net. 517382 IN A 193.0.14.129
k.root-servers.net. 517382 IN AAAA 2001:7fd::1
l.root-servers.net. 517382 IN A 199.7.83.42
l.root-servers.net. 517382 IN AAAA 2001:500:9f::42
m.root-servers.net. 517382 IN A 202.12.27.33
m.root-servers.net. 517382 IN AAAA 2001:dc3::35
;; Received 800 B
;; Time 2022-08-18 23:48:28 CEST
;; From [email protected](TCP) in 12.8 ms