dig examples

dig

# Return only the answer
dig +noall +answer youtube.com
youtube.com.		300	IN	A	172.217.167.110

# Return only IP address
dig +short youtube.com
172.217.167.110

# Return only the answer from Googles DNS server
dig +short @8.8.8.8 youtube.com
youtube.com.		299	IN	A	172.217.167.110

# Reverse lookup 
dig -x 8.8.8.8
8.8.8.8.in-addr.arpa.	86053	IN	PTR	google-public-dns-a.google.com.

# Query multiple domains
dig +noall +answer google.com +noall +answer duckduckgo.com
google.com.		299	IN	A	172.217.167.110
duckduckgo.com.		60	IN	A	52.62.168.95
duckduckgo.com.		60	IN	A	13.55.4.72
duckduckgo.com.		60	IN	A	54.206.51.242

# Find authoritative name servers for the zone and display SOA records
dig +nssearch google.com
SOA ns1.google.com. dns-admin.google.com. 210500962 900 900 1800 60 from server 216.239.34.10 in 184 ms.
SOA ns1.google.com. dns-admin.google.com. 210522041 900 900 1800 60 from server 216.239.36.10 in 184 ms.
SOA ns1.google.com. dns-admin.google.com. 210500962 900 900 1800 60 from server 216.239.38.10 in 218 ms.
SOA ns1.google.com. dns-admin.google.com. 210500962 900 900 1800 60 from server 216.239.32.10 in 221 ms.

# Ask Googles DNS server for ANY type of record, ANY can be substituted for A, AAAA, CAA, CNAME, MX, NS, PTR, SOA, SRV, TXT, TTL
dig +noall +answer ANY @8.8.8.8 youtube.com
youtube.com.		299	IN	AAAA	2404:6800:4006:801::200e
youtube.com.		299	IN	A	216.58.220.110
youtube.com.		599	IN	MX	30 alt2.aspmx.l.google.com.
youtube.com.		21599	IN	NS	ns2.google.com.
youtube.com.		21599	IN	CAA	0 issue "pki.goog"
youtube.com.		3599	IN	TXT	"google-site-verification=OQz60vR-YapmaVrafWCALpPyA8eKJKssRhfIrzM-DJI"
youtube.com.		3599	IN	TXT	"v=spf1 include:google.com mx -all"
youtube.com.		3599	IN	TXT	"facebook-domain-verification=64jdes7le4h7e7lfpi22rijygx58j1"
youtube.com.		59	IN	SOA	ns1.google.com. dns-admin.google.com. 210522041 900 900 1800 60
youtube.com.		21599	IN	NS	ns3.google.com.
youtube.com.		599	IN	MX	50 alt4.aspmx.l.google.com.
youtube.com.		21599	IN	NS	ns1.google.com.
youtube.com.		599	IN	MX	40 alt3.aspmx.l.google.com.
youtube.com.		599	IN	MX	20 alt1.aspmx.l.google.com.
youtube.com.		21599	IN	NS	ns4.google.com.
youtube.com.		599	IN	MX	10 aspmx.l.google.com.

# Trace the delegation path from the root name servers for the name being looked up.
dig +trace @8.8.8.8 google.com
; <<>> DiG 9.9.4-RedHat-9.9.4-61.el7 <<>> +trace @8.8.8.8 google.com
; (1 server found)
;; global options: +cmd
.			96073	IN	NS	a.root-servers.net.
.			96073	IN	NS	c.root-servers.net.
.			96073	IN	NS	l.root-servers.net.
.			96073	IN	NS	f.root-servers.net.
.			96073	IN	NS	k.root-servers.net.
.			96073	IN	NS	h.root-servers.net.
.			96073	IN	NS	j.root-servers.net.
.			96073	IN	NS	b.root-servers.net.
.			96073	IN	NS	e.root-servers.net.
.			96073	IN	NS	g.root-servers.net.
.			96073	IN	NS	m.root-servers.net.
.			96073	IN	NS	i.root-servers.net.
.			96073	IN	NS	d.root-servers.net.
.			96073	IN	RRSIG	NS 8 0 518400 20180908050000 20180826040000 41656 . N2z1m/ifQYQPjsC3gN7mr0b2hJ8NTIBXvjv8I/S201I5DdS0csMQ2Vg0 tXyLwdZOMaFlezWnFFozHntboA4xzb5DNTXlC1WhdlIqC6Ohdn1BgjDK g/4weK6oRt6EC/XJufmjLFQ9jYauiID3emM34omJajaFE7klisvldJLv 79WQy/0lBYng4Ei/s2iMBBa9yJGiPHmwfank3Ku7bP2kv1GT+InNZYa9 K22SFpwCNq4waPDi1SDrmboAVqEoE9IeQZy3ABft4b4hA/hu+Nos6Ral F4Xsa2xwTZJhj0ryrO8Ds7WQw3zJXAWJtOM83vv9IGwyGYtvbalhIPYN r/hmng==
;; Received 525 bytes from 8.8.8.8#53(8.8.8.8) in 51 ms

com.			172800	IN	NS	a.gtld-servers.net.
com.			172800	IN	NS	b.gtld-servers.net.
com.			172800	IN	NS	c.gtld-servers.net.
com.			172800	IN	NS	d.gtld-servers.net.
com.			172800	IN	NS	e.gtld-servers.net.
com.			172800	IN	NS	f.gtld-servers.net.
com.			172800	IN	NS	g.gtld-servers.net.
com.			172800	IN	NS	h.gtld-servers.net.
com.			172800	IN	NS	i.gtld-servers.net.
com.			172800	IN	NS	j.gtld-servers.net.
com.			172800	IN	NS	k.gtld-servers.net.
com.			172800	IN	NS	l.gtld-servers.net.
com.			172800	IN	NS	m.gtld-servers.net.
com.			86400	IN	DS	30909 8 2 E2D3C916F6DEEAC73294E8268FB5885044A833FC5459588F4A9184CF C41A5766
com.			86400	IN	RRSIG	DS 8 1 86400 20180910050000 20180828040000 41656 . iUOMS1sDAQHMjI17fp2vDOm+wT6Z6v/iEeVyQ59m7OVPFzVB1cVTG7cy kDcD1yHmqILhnAiFV/CYg13cZ2XTe0+UEvw0mO7jqaPloc+4zWHf0NGM Ep8veQLjOgSmORUQTaRkPQ24OYI3kpF6+AkNCBfkq9IMdwmziq7HhiSo gJEjW7LrtwkWzaR+jHBGz4zHXoXM7bE4tiDXYJXSPHpLe5KjeFKzBimx QNV+2X6Vx7hz9jvbpjyYZqCLafckDW6++UcaS/veCe/80IpUpLffikM4 RUN6v3irTPgk5pRUdVrsPiHYfDsm/ed0wXdaENZbselhhPagGaWSXitD tVfU/Q==
;; Received 1170 bytes from 193.0.14.129#53(k.root-servers.net) in 67 ms

google.com.		172800	IN	NS	ns2.google.com.
google.com.		172800	IN	NS	ns1.google.com.
google.com.		172800	IN	NS	ns3.google.com.
google.com.		172800	IN	NS	ns4.google.com.
CK0POJMG874LJREF7EFN8430QVIT8BSM.com. 86400 IN NSEC3 1 1 0 - CK0Q1GIN43N1ARRC9OSM6QPQR81H5M9A NS SOA RRSIG DNSKEY NSEC3PARAM
CK0POJMG874LJREF7EFN8430QVIT8BSM.com. 86400 IN RRSIG NSEC3 8 2 86400 20180901044508 20180825033508 46475 com. lYz9DxGlAM+QMcHa6AjjWj3UHjFRLGHnJ3oN8UG6iTeoxwvPXMK+l+Tt ZJk3lHD/pYmWk4T4xQe2RdFQl9ccdkbLbunYoJVoApa94GVJ/7Nk74zs rB32keLDIklgdG+hhkfFLn8o1hIAAFtRBjIhQBcL9YiVjGY26yt/zlYw 3P8=
S849LHDDSVU9A9N2FIRO5NKMQB321BEP.com. 86400 IN NSEC3 1 1 0 - S84CEFMDU6ABFSN4V0L2VLLOASCD5IV2 NS DS RRSIG
S849LHDDSVU9A9N2FIRO5NKMQB321BEP.com. 86400 IN RRSIG NSEC3 8 2 86400 20180902050340 20180826035340 46475 com. L1lA4etoBOJnRo3qJmMEmaIUFKCT4kYfF1blJnZqirkPjMUcF98lWqab Tnhler0y9KvqSnEWP/IiOAD6IckKXZQefPVYU5xd25JgdxISaI/DM9Qt h9kIHXXNJXislNDrh1u3tNAgprDb0C4dzulPMWYJVJDeVwOLYiPY9DYZ aVQ=
;; Received 772 bytes from 192.42.93.30#53(g.gtld-servers.net) in 246 ms

google.com.		300	IN	A	172.217.167.110
;; Received 44 bytes from 216.239.38.10#53(ns4.google.com) in 222 ms