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

[Antonio Prado]

> R1.
> dig ripe.net mx +shor
> dig @8.8.8.8 ripe.net mx +shor
> dig @c1.authdns.ripe.net. ripe.net mx +shor
> R2.
> dig mahimahi.ripe.net. AAAA +shor
> dig @8.8.8.8 mahimahi.ripe.net. AAAA +shor
> dig @c1.authdns.ripe.net. mahimahi.ripe.net. AAAA +shor
> dig molamola.ripe.net. AAAA +shor
> dig @c1.authdns.ripe.net. molamola.ripe.net. AAAA +shor
> dig @8.8.8.8 molamola.ripe.net. AAAA +shor
> R3.
> dig -x 2001:67c:2e8:11::c100:1371 ptr +shor
> dig @8.8.8.8 -x 2001:67c:2e8:11::c100:1371 ptr +shor
> dig @c1.authdns.ripe.net. -x 2001:67c:2e8:11::c100:1371 ptr +shor
> dig @c1.authdns.ripe.net. -x 2001:67c:2e8:11::c100:1372  ptr +shor
> dig @8.8.8.8 -x 2001:67c:2e8:11::c100:1372  ptr +shor
> dig -x 2001:67c:2e8:11::c100:1372   ptr +shor
> R4.
> dig google.com NS +short
> dig @8.8.8.8 google.com NS +short
> dig @ns1.google.com google.com NS +short
> R5.
> dig ns2.google.com A +shor
> dig @ns1.google.com ns2.google.com A +shor
> dig @8.8.8.8 ns2.google.com A +shor
> R6.
> dig -x 216.239.34.10 PTR +shor
> dig @8.8.8.8 -x 216.239.34.10 PTR +shor
> dig @ns1.google.com -x 216.239.34.10 PTR +shor


tutto ok, procedi
grazie
--
antonio

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