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

[Emanuela Pompei]

ciao a tutti....intanto provo a ripostare le prime 6.
Appena avro' un po' piu' di tempo per ragionare provero' a rispondere
alle tue domande Antonio.
Intanto se puoi dimmi se sono giuste grazie

R1.
dig ripe.net mx +shor
250 molamola.ripe.net.
200 mahimahi.ripe.net.

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

dig @c1.authdns.ripe.net. ripe.net mx +shor
200 mahimahi.ripe.net.
250 molamola.ripe.net.

R2.

dig mahimahi.ripe.net. AAAA +shor
2001:67c:2e8:11::c100:1372

dig @8.8.8.8 mahimahi.ripe.net. AAAA +shor
2001:67c:2e8:11::c100:1372

dig @c1.authdns.ripe.net. mahimahi.ripe.net. AAAA +shor
2001:67c:2e8:11::c100:1372

dig molamola.ripe.net. AAAA +shor
2001:67c:2e8:11::c100:1371

dig @c1.authdns.ripe.net. molamola.ripe.net. AAAA +shor
2001:67c:2e8:11::c100:1371

dig @8.8.8.8 molamola.ripe.net. AAAA +shor
2001:67c:2e8:11::c100:1371


R3.

dig -x 2001:67c:2e8:11::c100:1371 ptr +shor
molamola.ripe.net.

dig @8.8.8.8 -x 2001:67c:2e8:11::c100:1371 ptr +shor
molamola.ripe.net.

dig @c1.authdns.ripe.net. -x 2001:67c:2e8:11::c100:1371 ptr +shor
molamola.ripe.net.

dig @c1.authdns.ripe.net. -x 2001:67c:2e8:11::c100:1372  ptr +shor
mahimahi.ripe.net.

dig @8.8.8.8 -x 2001:67c:2e8:11::c100:1372  ptr +shor
mahimahi.ripe.net.

dig -x 2001:67c:2e8:11::c100:1372   ptr +shor
mahimahi.ripe.net.


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

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

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


R5.

dig ns2.google.com A +shor
216.239.34.10
dig @ns1.google.com ns2.google.com A +shor
216.239.34.10
dig @8.8.8.8 ns2.google.com A +shor
216.239.34.10



R6.
dig -x 216.239.34.10 PTR +shor
ns2.google.com.
dig @8.8.8.8 -x 216.239.34.10 PTR +shor
ns2.google.com.
dig @ns1.google.com -x 216.239.34.10 PTR +shor
ns2.google.com.