[Internet-e-architetture-di-rete] esercizi uso resolver e authoritative

[Maurizio Capecci]

R1.	dig ripe.net MX +short
	250 molamola.ripe.net.
	200 mahimahi.ripe.net.

	dig @8.8.8.8 ripe.net mx +short
	250 molamola.ripe.net.
  	200 mahimahi.ripe.net.

	dig @c2.authdns.ripe.net. ripe.net mx +short
	200 mahimahi.ripe.net.
	250 molamola.ripe.net.

R2.	dig ripe.net AAAA +short
  	2001:67c:2e8:22::c100:68b

	dig @8.8.8.8 ripe.net AAAA +short
	2001:67c:2e8:22::c100:68b

	dig @manus.authdns.ripe.net. ripe.net aaaa +short
  	2001:67c:2e8:22::c100:68b

R3.	dig -x 2001:67c:2e8:22::c100:68b ptr +short
	www.ipv6.ripe.net.

	dig @8.8.8.8 -x 2001:67c:2e8:22::c100:68b ptr +short
	www.ipv6.ripe.net.

	dig @c1.authdns.ripe.net. -x 2001:67c:2e8:22::c100:68b ptr +short
	www.ipv6.ripe.net.

R4.	dig google.com NS +short
	ns1.google.com.
	ns2.google.com.
	ns3.google.com.
	ns4.google.com.

	dig @8.8.8.8 google.com NS +short
	ns1.google.com.
	ns4.google.com.
	ns3.google.com.
	ns2.google.com.

	dig @ns4.google.com google.com NS +short
	ns3.google.com.
	ns2.google.com.
	ns4.google.com.
	ns1.google.com.

R5.	dig google.com A +short
	216.58.211.14

	dig @8.8.8.8 google.com A +short
	172.217.21.78

	dig @ns3.google.com google.com A +short
	216.58.211.14

R6.	dig -x 2a00:1450:4016:804::200e ptr +short
	muc03s13-in-x0e.1e100.net
  	
	dig @8.8.8.8 -x 2a00:1450:4016:804::200e ptr +short
	muc03s13-in-x0e.1e100.net

	dig @ns1.google.com -x 2a00:1450:4016:804::200e ptr +short
  	muc03s13-in-x0e.1e100.net