<div dir="ltr"><div><span style="font-family:arial,helvetica,sans-serif">Buonasera Antonio,<br><br></span></div><div><span style="font-family:arial,helvetica,sans-serif">ecco le mie soluzioni:<br><br></span>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">R1.<font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">dig
<a href="http://wikipedia.org">wikipedia.org</a> IN A +shor </span></font><br>
91.198.174.192<br></span>
<span style="font-family:arial,helvetica,sans-serif"><br></span>
</p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">R2.<font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">dig
@<a href="http://8.8.8.8">8.8.8.8</a> -x 91.198.174.192 IN PTR +shor
</span></font><br>
<a href="http://text-lb.esams.wikimedia.org">text-lb.esams.wikimedia.org</a>.<br></span>
<span style="font-family:arial,helvetica,sans-serif"><br></span>
</p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">R3.<font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">dig
<a href="http://text-lb.esams.wikimedia.org">text-lb.esams.wikimedia.org</a>. in AAAA +shor </span></font><br>
2620:0:862:ed1a::1<br></span>
<span style="font-family:arial,helvetica,sans-serif"><br></span>
</p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">R4.<font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">dig
@<a href="http://8.8.8.8">8.8.8.8</a> -x 2620:0:862:ed1a::1 IN PTR +shor
</span></font><br>
<a href="http://text-lb.esams.wikimedia.org">text-lb.esams.wikimedia.org</a>.<br></span>
<span style="font-family:arial,helvetica,sans-serif"><br></span>
</p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">R5.<font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">91.198.174.</span></font><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">0</span></font><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">
– 91.198.174.</span></font><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">255</span></font></span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">R6.whois
91.198.174.192 | grep country <br>
country: NL</span></font></span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif"></span><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">R7.whois
2620:0:862:ed1a::1 | grep CIDR </span></font></span><br></p><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%"></span></font></span><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">CIDR:2620:0:860::/46</span></font></span><span style="font-family:arial,helvetica,sans-serif"></span><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%"><br>S</span></font><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">birciando
la soluzione di Emanuela, ho scoperto l’esistenza di riswhois!</span></font></span>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif"></span><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">whois
-h <a href="http://riswhois.ripe.net">riswhois.ripe.net</a> 2620:0:862:ed1a::1 | grep route6 </span></font></span><br></p><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%"></span></font></span><p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">
route6:
2620:0:860::/46 <br>
route6:
2620:0:862::/48<br>
<br>
R8.dig
it. IN NS +shor <br>
<a href="http://nameserver.cnr.it">nameserver.cnr.it</a>. <br>
<a href="http://a.dns.it">a.dns.it</a>. <br>
<a href="http://r.dns.it">r.dns.it</a>.
<br>
<a href="http://m.dns.it">m.dns.it</a>. <br>
<a href="http://s.dns.it">s.dns.it</a>. <br>
<a href="http://dns.nic.it">dns.nic.it</a>.<br>
<br>
</span></font><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">R9.dig
<a href="http://dns.nic.it">dns.nic.it</a>. IN A +shor <br>
192.12.192.5<br>
dig <a href="http://a.dns.it">a.dns.it</a> IN A
+shor <br>
194.0.16.215<br>
dig <a href="http://r.dns.it">r.dns.it</a> IN A +shor
<br>
193.206.141.46<br>
dig <a href="http://m.dns.it">m.dns.it</a> IN A +shor
<br>
217.29.76.4<br>
dig <a href="http://s.dns.it">s.dns.it</a> IN A +shor
<br>
194.146.106.30<br>
dig <a href="http://nameserver.cnr.it">nameserver.cnr.it</a> IN A +shor
<br>
194.119.192.34<br>
<br>
</span></font><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">R10.whois
192.12.192.5 | grep inetnum <br>
inetnum:192.12.192.0 –
192.12.193.255</span></font></span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%"><a href="http://192.12.192.0/">192.12.192.0/</a></span></font><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">24</span></font></span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">whois
194.0.16.215 | grep inetnum <br>
inetnum:194.0.16.0 -
194.0.16.255<br>
194.0.16.</span></font><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">0/24</span></font></span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">whois
193.206.141.46 | grep inetnum <br>
inetnum:193.206.128.0 –
193.206.143.255</span></font></span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%"><a href="http://193.206.0.0/16">193.206.0.0/16</a></span></font></span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">whois
217.29.76.4 | grep inetnum <br>
inetnum:217.29.76.0 –
217.29.79.255</span></font></span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%"><a href="http://217.29.72.0/21">217.29.72.0/21</a><br>
whois
194.146.106.30 | grep inetnum <br>
inetnum:194.146.106.0 -
194.146.107.255<br>
<a href="http://194.146.106.0/24">194.146.106.0/24</a></span></font></span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">whois
194.119.192.34 | grep inetnum <br>
inetnum:194.119.192.0 –
194.119.192.255</span></font></span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%"><a href="http://194.119.192.0/">194.119.192.0/</a></span></font><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">24</span></font></span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">R11.whois
MM13-RIPE | grep person <br>
person:Maurizio Martinelli<br>
</span></font><br></span>
</p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">R1</span></font><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">2</span></font><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">.dig
<a href="http://gov.it">gov.it</a> IN SOA +shor <br>
<a href="http://dns1.fweds-spc.it">dns1.fweds-spc.it</a>. <a href="http://dnsmaster.fastweb.it">dnsmaster.fastweb.it</a>.
2016060909 86400 3600 604800 86400</span></font></span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">R1</span></font><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">3</span></font><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">.dig
<a href="http://gov.it">gov.it</a> IN NS +shor <br>
<a href="http://dns1.fweds-spc.it">dns1.fweds-spc.it</a>. <br>
<a href="http://dns2.fweds-spc.it">dns2.fweds-spc.it</a>.</span></font></span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">R14.
whois <a href="http://fweds-spc.it">fweds-spc.it</a> | grep Name <br>
Name:Maria Antonietta Gervasio <br>
</span></font><br></span>
</p><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">R15.</span></font><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">dig
net. IN SOA +dnssec +shor </span></font></span><br><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%"></span></font></span><p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">
<a href="http://a.gtld-servers.net">a.gtld-servers.net</a>.
<a href="http://nstld.verisign-grs.com">nstld.verisign-grs.com</a>. 1465764582 1800 900 604800 86400 <br>
SOA 8
1 900 20160619204942 20160612193942 50762 net.
NHb2Tor5tgIIEDjCY/k7zdYP5Rcoqs2kSLaxx+l+7UQlnJGnG0Sy20sT
2ky2sMWK7QBn6CoH4aVSPZIu<br>
w9jO96Vbioq+Ceo1CLLavkK0JB2iR36d
WzP58Wse446/TBnNDzFLuMdmpGz829SpdjbWS/zttkcQuVHFNtTBTf5O n0Q=<br>
<br>
</span></font><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">R16.
dig @<a href="http://nameserver.cnr.it">nameserver.cnr.it</a>. CH TXT version.bind +shor
<br>
"9.9.5-3ubuntu0.8-Ubuntu"</span></font></span></p><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">dig
@<a href="http://a.dns.it">a.dns.it</a>. CH TXT version.bind +shor </span></font></span><br><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%"></span></font></span><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">"rome anycast
nameserver"</span></font></span><br><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%"></span></font></span><span style="font-family:arial,helvetica,sans-serif"></span><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">dig @<a href="http://m.dns.it">m.dns.it</a>. CH TXT version.bind +shor
</span></font></span><br><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%"></span></font></span><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">"milan nameserver"</span></font></span><br><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%"></span></font></span><span style="font-family:arial,helvetica,sans-serif"></span><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">dig @<a href="http://r.dns.it">r.dns.it</a>. CH TXT
version.bind +shor </span></font></span><br><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%"></span></font></span><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">"rome nameserver"</span></font></span><br><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%"></span></font></span><span style="font-family:arial,helvetica,sans-serif"></span><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">dig
@<a href="http://s.dns.it">s.dns.it</a>. CH TXT version.bind +shor </span></font></span><br><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%"></span></font></span><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">"contact
<a href="mailto:info@netnod.se">info@netnod.se</a>"</span></font></span><br><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%"></span></font></span><span style="font-family:arial,helvetica,sans-serif"></span><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">dig @<a href="http://dns.nic.it">dns.nic.it</a>. CH TXT version.bind +shor
</span></font></span><br><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%"></span></font></span><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">"<HIDDEN>"</span></font></span><br><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%"></span></font></span><span style="font-family:arial,helvetica,sans-serif"></span>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">R17.
Server non raggiungibile </span></font><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">perché
opera solo in IPV6?</span></font></span></p><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">dig
@<a href="http://yeti-ns.as59715.net">yeti-ns.as59715.net</a> CH TXT version.server +shor </span></font></span><br><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%"></span></font></span><p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif"><font color="#000000"><span style="background:rgb(255,255,255) none repeat scroll 0% 0%">
</span></font><br></span>
</p>
<span style="font-family:arial,helvetica,sans-serif">Spero di non aver fatto troppi errori. Ci voleva questo ripasso ;-)<br></span></div><div><span style="font-family:arial,helvetica,sans-serif">Buona serata.<br></span></div><div><span style="font-family:arial,helvetica,sans-serif">Abigail<br></span></div></div>