<div dir="ltr">
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">Buonasera Antonio,</span></p><p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">invio il mio esercizio sperando di non aver commesso troppi errori.<br></span></p><p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">========================================<br></span>
</p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">1. | qual e' il
RR IN MX per il nome a dominio <a href="http://gnu.org/" target="_blank">gnu.org</a>.?</span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">========================================<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%">dig
<a href="http://gnu.org">gnu.org</a> IN MX +shor </span></font><br>
10 <a href="http://eggs.gnu.org">eggs.gnu.org</a>.</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%">dig
@<a href="http://8.8.8.8">8.8.8.8</a> <a href="http://gnu.org">gnu.org</a> IN MX +shor </span></font><br>
10
<a href="http://eggs.gnu.org">eggs.gnu.org</a>.<br></span>
<span style="font-family:arial,helvetica,sans-serif"><br></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://ns1.gnu.org">ns1.gnu.org</a> <a href="http://gnu.org">gnu.org</a> IN MX +shor </span></font><br>
10
<a href="http://eggs.gnu.org">eggs.gnu.org</a>.<br></span>
<span style="font-family:arial,helvetica,sans-serif"><br></span>
<span style="font-family:arial,helvetica,sans-serif"><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"></span><span style="font-family:arial,helvetica,sans-serif">2. | qual e' il
RR IN AAAA di $1?</span>
</p><p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">========================================<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%">dig
10 <a href="http://eggs.gnu.org">eggs.gnu.org</a> IN AAAA +shor </span></font><br>
2001:4830:134:3::10<br></span>
<span style="font-family:arial,helvetica,sans-serif"><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">3.| qual e' il
RR IN PTR di $2?</span></p><p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">========================================<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%">2001:4830:134:3::10</span></font><br>
NXDOMAIN</span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">========================================<br></span>
</p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">4. | qual e' un
RR IN NS di com.?</span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">========================================<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%">dig
com. IN NS +shor </span></font><br>
<a href="http://f.gtld-servers.net">f.gtld-servers.net</a>.
<br>
<a href="http://h.gtld-servers.net">h.gtld-servers.net</a>. <br>
<a href="http://j.gtld-servers.net">j.gtld-servers.net</a>.
<br>
<a href="http://e.gtld-servers.net">e.gtld-servers.net</a>. <br>
<a href="http://i.gtld-servers.net">i.gtld-servers.net</a>.
<br>
<a href="http://k.gtld-servers.net">k.gtld-servers.net</a>. <br>
<a href="http://c.gtld-servers.net">c.gtld-servers.net</a>.
<br>
<a href="http://l.gtld-servers.net">l.gtld-servers.net</a>. <br>
<a href="http://b.gtld-servers.net">b.gtld-servers.net</a>.
<br>
<a href="http://a.gtld-servers.net">a.gtld-servers.net</a>. <br>
<a href="http://d.gtld-servers.net">d.gtld-servers.net</a>.
<br>
<a href="http://m.gtld-servers.net">m.gtld-servers.net</a>. <br>
<a href="http://g.gtld-servers.net">g.gtld-servers.net</a>.<br></span>
<span style="font-family:arial,helvetica,sans-serif"></span></p><p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">========================================<br></span></p><p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">5. |
qual e' il RR IN A di $4?</span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">========================================<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%">dig
</span></font><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>
IN A +short </span></font><br>
192.5.6.30 <br>
dig
<a href="http://b.gtld-servers.net">b.gtld-servers.net</a> IN A +short<br>
192.33.14.30 <br>
dig
<a href="http://c.gtld-servers.net">c.gtld-servers.net</a> IN A +short<br>
192.26.92.30 <br>
dig
<a href="http://d.gtld-servers.net">d.gtld-servers.net</a> IN A +short<br>
192.31.80.30 <br>
dig
<a href="http://e.gtld-servers.net">e.gtld-servers.net</a> IN A +short<br>
192.12.94.30 <br>
dig
<a href="http://f.gtld-servers.net">f.gtld-servers.net</a> IN A +short<br>
192.35.51.30 <br>
dig
<a href="http://g.gtld-servers.net">g.gtld-servers.net</a> IN A +short<br>
192.42.93.30 <br>
dig
<a href="http://h.gtld-servers.net">h.gtld-servers.net</a> IN A +short<br>
192.54.112.30 <br>
dig
<a href="http://i.gtld-servers.net">i.gtld-servers.net</a> IN A +short<br>
192.43.172.30 <br>
dig
<a href="http://l.gtld-servers.net">l.gtld-servers.net</a> IN A +short<br>
192.41.162.30 <br>
dig
<a href="http://m.gtld-servers.net">m.gtld-servers.net</a> IN A +short<br>
192.55.83.30 <br>
dig
<a href="http://k.gtld-servers.net">k.gtld-servers.net</a> IN A +short<br>
192.52.178.30 <br>
dig
<a href="http://j.gtld-servers.net">j.gtld-servers.net</a> IN A +short <br></span></p><p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">192.48.79.30<br></span>
<span style="font-family:arial,helvetica,sans-serif"></span></p><p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">===============================<br></span></p><p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">6. | qual
e' il RR IN PTR di $5?</span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">================================<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%">dig
-x 192.5.6.30 IN PTR +shor </span></font><br>
<a href="http://a.gtld-servers.net">a.gtld-servers.net</a>.<br></span>
<span style="font-family:arial,helvetica,sans-serif"></span></p><p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">=======================================<br></span>
</p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">7. | qual e' il
RR IN PTR di 114.19.0.193.in-addr.arpa.?</span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">=======================================<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%">dig
114.19.0.193.in-addr.arpa IN PTR +shor </span></font><br>
<a href="http://mahimahi.ripe.net">mahimahi.ripe.net</a>.<br></span>
<span style="font-family:arial,helvetica,sans-serif"></span></p><p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">=======================================<br></span>
</p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">8. | qual e' il
dominio in-addr.arpa. Per 127.0.0.1?</span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">=======================================<br></span>
</p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">1</span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif"><br></span>
</p>
=======================================
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">9. | qual e' il
dominio ip6.arpa. per fe80::e6ce:8ff:2:1?</span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">=======================================<br></span>
</p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">NXDOMAIN</span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">=======================================<br></span>
</p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif"></span><span style="font-family:arial,helvetica,sans-serif">10.| qual e' il
RR IN A di <a href="http://mail.comune.osimo.an.it/" target="_blank">mail.comune.osimo.an.it</a>?</span>
</p><p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">=======================================<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%">dig
<a href="http://mail.comune.osimo.an.it">mail.comune.osimo.an.it</a> IN A +shor </span></font><br>
217.58.27.54</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%">dig
@<a href="http://8.8.8.8">8.8.8.8</a> <a href="http://mail.comune.osimo.an.it">mail.comune.osimo.an.it</a> IN A +shor </span></font><br>
217.58.27.54<br></span>
<span style="font-family:arial,helvetica,sans-serif"><br></span>
<span style="font-family:arial,helvetica,sans-serif">=======================================<br>
11.|
qual e' il RR IN PTR di $10?</span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">=======================================<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%">dig
-x 217.58.27.54 IN PTR +shor
</span></font><br>
<a href="http://host54-27-static.58-217-b.business.telecomitalia.it">host54-27-static.58-217-b.business.telecomitalia.it</a>.</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%">dig
@<a href="http://8.8.8.8">8.8.8.8</a> -x 217.58.27.54 IN PTR +shor
</span></font><br>
<a href="http://host54-27-static.58-217-b.business.telecomitalia.it">host54-27-static.58-217-b.business.telecomitalia.it</a>.<br></span>
<span style="font-family:arial,helvetica,sans-serif"><br></span>
<span style="font-family:arial,helvetica,sans-serif">========================================<br>
12.|
qual e' il RR IN A di $11?</span></p><p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">========================================<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%">dig
<a href="http://host54-27-static.58-217-b.business.telecomitalia.it">host54-27-static.58-217-b.business.telecomitalia.it</a> IN A +shor <br></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%"></span></font>217.58.27.54<br></span>
<span style="font-family:arial,helvetica,sans-serif"><br></span>
<span style="font-family:arial,helvetica,sans-serif"><br></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://8.8.8.8">8.8.8.8</a> <a href="http://host54-27-static.58-217-b.business.telecomitalia.it">host54-27-static.58-217-b.business.telecomitalia.it</a> IN A
+shor </span></font><br>
217.58.27.54<br></span>
<span style="font-family:arial,helvetica,sans-serif"></span></p><p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">========================================<br>
</span></p><p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">13.|
qual e' il RR IN TXT di <a href="http://comune.osimo.an.it/" target="_blank">comune.osimo.an.it</a>?</span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">========================================<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%">dig
<a href="http://comune.osimo.an.it">comune.osimo.an.it</a> IN TXT +shor </span></font><br>
"v=spf1
a:<a href="http://mail.comune.osimo.an.it">mail.comune.osimo.an.it</a> a:<a href="http://gina.fabersoft.it">gina.fabersoft.it</a> -all"<br></span>
<span style="font-family:arial,helvetica,sans-serif"><br></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://dns0.fabersoft.it">dns0.fabersoft.it</a> <a href="http://comune.osimo.an.it">comune.osimo.an.it</a> IN TXT +shor </span></font><br>
"v=spf1
a:<a href="http://mail.comune.osimo.an.it">mail.comune.osimo.an.it</a> a:<a href="http://gina.fabersoft.it">gina.fabersoft.it</a> -all"</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"><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> <a href="http://comune.osimo.an.it">comune.osimo.an.it</a> IN TXT +shor </span></font><br>
"v=spf1
a:<a href="http://mail.comune.osimo.an.it">mail.comune.osimo.an.it</a> a:<a href="http://gina.fabersoft.it">gina.fabersoft.it</a> -all"<br></span>
<span style="font-family:arial,helvetica,sans-serif"><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">14.| qual e' il
RR IN RRSIG di RR IN AAAA di <a href="http://as112.net/" target="_blank">as112.net</a>.?
</span>
</p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">============================================<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%">dig
<a href="http://as112.net">as112.net</a> IN AAAA +dnssec +shor </span></font><br>
2001:4f8:3:2bc::198
<br>
AAAA 8 2 3600 20160515101102 20160415091102 24264 <a href="http://as112.net">as112.net</a>.
2CltUuuClRPawhgtjt7lDTm7Kru21veaxDw1/J9EkWLSU6u0Cq+lLd8Z
ODGmKtyuivJFmYRB<br>
iuRObe2ylNgPNM03Vf/0K9eutmRm/pb/0Is9TyBL
UsF4/PIleR7qb5fw8vBW9a5t80/8D7lW4CrVNu6mgU4lWEWBE5b8wxX/ O+U=</span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif"><br>
<<
PERCHÈ SONO DISCORDANTI?>></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%">dig
@<a href="http://ns2.ottix.net">ns2.ottix.net</a> <a href="http://as112.net">as112.net</a> IN AAAA +dnssec +shor
</span></font><br>
2620:ff:c000::198
</span>
</p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif"><br>
AAAA 8 2
300 20160616101101 20160517091101 24264 <a href="http://as112.net">as112.net</a>.
SJ+iy4/pX/w85bMw59R0pBK0cbdOx5zmGjVVV5upE+z9cGSWU9IUDPvL
KjzUb1ryBCs2loo9h<br>
64v8UEpwKhx0PllHQNeHsCGG046JO0ikShpes7Y
uK7r4W+e7JLVuJWGnZGAHihP3fPKg6U9XlcH8IUhcva/Jz0utEBgdZnp htg=<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"><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> <a href="http://as112.net">as112.net</a> IN AAAA +dnssec +shor</span></font><br>
SERVERFAIL</span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">====================================================<br></span>
</p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">15. Se
volessi inviare una e-mail al responsabile della zona<br>
org, a
quale indirizzo dovrei inviarla?</span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">=====================================================<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%">dig
org. IN SOA +shor </span></font><br>
<a href="http://a0.org.afilias-nst.info">a0.org.afilias-nst.info</a>.
<a href="http://noc.afilias-nst.info">noc.afilias-nst.info</a>. 2011995103 1800 900 604800 86400</span></p>
<p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif"><a href="mailto:noc@afilias-nst.info">noc@afilias-nst.info</a><br></span>
<span style="font-family:arial,helvetica,sans-serif"></span></p><p style="margin-bottom:0cm"><br><span style="font-family:arial,helvetica,sans-serif"></span></p><p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">Buona serata e grazie.</span></p><p style="margin-bottom:0cm"><span style="font-family:arial,helvetica,sans-serif">Abigail<br></span>
</p>
</div>