Untitled

$ dig @127.0.0.53

; <<>> DiG 9.18.30-0ubuntu0.20.04.2-Ubuntu <<>> @127.0.0.53
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 44973
;; flags: qr rd ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			86400	IN	NS	j.root-servers.net.
.			86400	IN	NS	k.root-servers.net.
.			86400	IN	NS	l.root-servers.net.
.			86400	IN	NS	m.root-servers.net.
.			86400	IN	NS	a.root-servers.net.
.			86400	IN	NS	b.root-servers.net.
.			86400	IN	NS	c.root-servers.net.
.			86400	IN	NS	d.root-servers.net.
.			86400	IN	NS	e.root-servers.net.
.			86400	IN	NS	f.root-servers.net.
.			86400	IN	NS	g.root-servers.net.
.			86400	IN	NS	h.root-servers.net.
.			86400	IN	NS	i.root-servers.net.

;; Query time: 28 msec
;; SERVER: 127.0.0.53#53(127.0.0.53) (UDP)
;; WHEN: Wed May 07 09:43:19 EDT 2025
;; MSG SIZE  rcvd: 239

$ dig @127.0.0.53 eff.org

; <<>> DiG 9.18.30-0ubuntu0.20.04.2-Ubuntu <<>> @127.0.0.53 eff.org
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 50617
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;eff.org.			IN	A

;; ANSWER SECTION:
eff.org.		30	IN	A	173.239.79.196

;; Query time: 0 msec
;; SERVER: 127.0.0.53#53(127.0.0.53) (UDP)
;; WHEN: Wed May 07 09:44:32 EDT 2025
;; MSG SIZE  rcvd: 52

$ dig @127.0.0.53 doubleclick.net
;; communications error to 127.0.0.53#53: timed out
;; communications error to 127.0.0.53#53: timed out
;; communications error to 127.0.0.53#53: timed out

; <<>> DiG 9.18.30-0ubuntu0.20.04.2-Ubuntu <<>> @127.0.0.53 doubleclick.net
; (1 server found)
;; global options: +cmd
;; no servers could be reached
$ dig @192.168.50.1 eff.org

; <<>> DiG 9.18.30-0ubuntu0.20.04.2-Ubuntu <<>> @192.168.50.1 eff.org
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 53608
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
;; QUESTION SECTION:
;eff.org.			IN	A

;; ANSWER SECTION:
eff.org.		7165	IN	A	173.239.79.196

;; Query time: 4 msec
;; SERVER: 192.168.50.1#53(192.168.50.1) (UDP)
;; WHEN: Wed May 07 09:45:07 EDT 2025
;; MSG SIZE  rcvd: 52

$ dig @192.168.50.1 doubleclick.net

; <<>> DiG 9.18.30-0ubuntu0.20.04.2-Ubuntu <<>> @192.168.50.1 doubleclick.net
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: REFUSED, id: 20230
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
;; QUESTION SECTION:
;doubleclick.net.		IN	A

;; Query time: 4 msec
;; SERVER: 192.168.50.1#53(192.168.50.1) (UDP)
;; WHEN: Wed May 07 09:45:15 EDT 2025
;; MSG SIZE  rcvd: 44