Servfail - No response
Humberto Faria
humbertofariads at icloud.com
Sun Nov 20 19:29:35 UTC 2022
Yes, I get response. Here's the output:
_____________________________________________
pi at raspberrypi:~ $ dig @202.12.27.33 . ns +norec
; <<>> DiG 9.16.33-Raspbian <<>> @202.12.27.33 . ns +norec
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2633
;; flags: qr aa; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 27
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
;; QUESTION SECTION:
;. IN NS
;; ANSWER SECTION:
. 518400 IN NS h.root-servers.net.
. 518400 IN NS a.root-servers.net.
. 518400 IN NS l.root-servers.net.
. 518400 IN NS b.root-servers.net.
. 518400 IN NS e.root-servers.net.
. 518400 IN NS d.root-servers.net.
. 518400 IN NS k.root-servers.net.
. 518400 IN NS f.root-servers.net.
. 518400 IN NS m.root-servers.net.
. 518400 IN NS c.root-servers.net.
. 518400 IN NS g.root-servers.net.
. 518400 IN NS j.root-servers.net.
. 518400 IN NS i.root-servers.net.
;; ADDITIONAL SECTION:
m.root-servers.net. 518400 IN A 202.12.27.33
l.root-servers.net. 518400 IN A 199.7.83.42
k.root-servers.net. 518400 IN A 193.0.14.129
j.root-servers.net. 518400 IN A 192.58.128.30
i.root-servers.net. 518400 IN A 192.36.148.17
h.root-servers.net. 518400 IN A 198.97.190.53
g.root-servers.net. 518400 IN A 192.112.36.4
f.root-servers.net. 518400 IN A 192.5.5.241
e.root-servers.net. 518400 IN A 192.203.230.10
d.root-servers.net. 518400 IN A 199.7.91.13
c.root-servers.net. 518400 IN A 192.33.4.12
b.root-servers.net. 518400 IN A 199.9.14.201
a.root-servers.net. 518400 IN A 198.41.0.4
m.root-servers.net. 518400 IN AAAA 2001:dc3::35
l.root-servers.net. 518400 IN AAAA 2001:500:9f::42
k.root-servers.net. 518400 IN AAAA 2001:7fd::1
j.root-servers.net. 518400 IN AAAA 2001:503:c27::2:30
i.root-servers.net. 518400 IN AAAA 2001:7fe::53
h.root-servers.net. 518400 IN AAAA 2001:500:1::53
g.root-servers.net. 518400 IN AAAA 2001:500:12::d0d
f.root-servers.net. 518400 IN AAAA 2001:500:2f::f
e.root-servers.net. 518400 IN AAAA 2001:500:a8::e
d.root-servers.net. 518400 IN AAAA 2001:500:2d::d
c.root-servers.net. 518400 IN AAAA 2001:500:2::c
b.root-servers.net. 518400 IN AAAA 2001:500:200::b
a.root-servers.net. 518400 IN AAAA 2001:503:ba3e::2:30
;; Query time: 169 msec
;; SERVER: 202.12.27.33#53(202.12.27.33)
;; WHEN: Sun Nov 20 14:38:27 -03 2022
;; MSG SIZE rcvd: 823
____________________________________________
pi at raspberrypi:~ $ dig @a.root-servers.net. . ns +norec
; <<>> DiG 9.16.33-Raspbian <<>> @a.root-servers.net. . ns +norec
; (2 servers found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 30216
;; flags: qr aa; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 27
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;. IN NS
;; ANSWER SECTION:
. 518400 IN NS e.root-servers.net.
. 518400 IN NS h.root-servers.net.
. 518400 IN NS l.root-servers.net.
. 518400 IN NS i.root-servers.net.
. 518400 IN NS a.root-servers.net.
. 518400 IN NS d.root-servers.net.
. 518400 IN NS c.root-servers.net.
. 518400 IN NS b.root-servers.net.
. 518400 IN NS j.root-servers.net.
. 518400 IN NS k.root-servers.net.
. 518400 IN NS g.root-servers.net.
. 518400 IN NS m.root-servers.net.
. 518400 IN NS f.root-servers.net.
;; ADDITIONAL SECTION:
e.root-servers.net. 518400 IN A 192.203.230.10
e.root-servers.net. 518400 IN AAAA 2001:500:a8::e
h.root-servers.net. 518400 IN A 198.97.190.53
h.root-servers.net. 518400 IN AAAA 2001:500:1::53
l.root-servers.net. 518400 IN A 199.7.83.42
l.root-servers.net. 518400 IN AAAA 2001:500:9f::42
i.root-servers.net. 518400 IN A 192.36.148.17
i.root-servers.net. 518400 IN AAAA 2001:7fe::53
a.root-servers.net. 518400 IN A 198.41.0.4
a.root-servers.net. 518400 IN AAAA 2001:503:ba3e::2:30
d.root-servers.net. 518400 IN A 199.7.91.13
d.root-servers.net. 518400 IN AAAA 2001:500:2d::d
c.root-servers.net. 518400 IN A 192.33.4.12
c.root-servers.net. 518400 IN AAAA 2001:500:2::c
b.root-servers.net. 518400 IN A 199.9.14.201
b.root-servers.net. 518400 IN AAAA 2001:500:200::b
j.root-servers.net. 518400 IN A 192.58.128.30
j.root-servers.net. 518400 IN AAAA 2001:503:c27::2:30
k.root-servers.net. 518400 IN A 193.0.14.129
k.root-servers.net. 518400 IN AAAA 2001:7fd::1
g.root-servers.net. 518400 IN A 192.112.36.4
g.root-servers.net. 518400 IN AAAA 2001:500:12::d0d
m.root-servers.net. 518400 IN A 202.12.27.33
m.root-servers.net. 518400 IN AAAA 2001:dc3::35
f.root-servers.net. 518400 IN A 192.5.5.241
f.root-servers.net. 518400 IN AAAA 2001:500:2f::f
;; Query time: 109 msec
;; SERVER: 198.41.0.4#53(198.41.0.4)
;; WHEN: Sun Nov 20 14:43:04 -03 2022
;; MSG SIZE rcvd: 811
Sincerely,
Humberto Faria
Sent from iCloud
> Em 20 de nov. de 2022, à(s) 13:50, Havard Eidnes <he at uninett.no> escreveu:
>
>
>>
>> pi at raspberrypi:~ $ dig pi-hole.net @127.0.0.1 -p 5335
>>
>> ; <<>> DiG 9.16.33-Raspbian <<>> pi-hole.net @127.0.0.1 -p 5335
>> ;; global options: +cmd
>> ;; Got answer:
>> ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 52341
>> ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
>
> This is time for "stupid questions":
>
> Is your host able to get a response from the
>
> dig @<root-name-server-address> . ns +norec
>
> command? Pick one or more root name server addresses from your
> hints file.
>
> If it can't, your unbound recursor won't be able to do its
> "priming" query, and will respond with SERVFAIL when asked about
> anything and all.
>
> Regards,
>
> - Håvard
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