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<body class='hmmessage'><div dir='ltr'>Buonasera,<div>mi chiamo Marco Vitangeli e sono un appassionato di reti e informatica in generale.</div><div>Sono iscritto al corso ma purtroppo non sono potuto venire alla prima lezione e </div><div>per recuperare ho cercato di capire dagli esercizi di cosa avete parlato e ho studiato </div><div>arrangiandomi su internet con dispense universitarie ed estratti di libri.</div><div><br></div><div>Qui sotto le risposte che mi sembravano giuste, ho cercato di non copiare da quelle degli altri </div><div>a meno che non mi sia trovato a non raggiungere nessun risultato dalle varie query.</div><div><br></div><div><div>######################################################################</div><div>D.1. |<span class="Apple-tab-span" style="white-space:pre"> </span>qual e' il registrar del nome a dominio ripe.net.</div><div><span class="Apple-tab-span" style="white-space:pre"> </span></div><div>R.1. whois ripe.net | grep "Registrar"</div><div>Registrar: GANDI SAS</div><div>######################################################################</div><div>D.2. |<span class="Apple-tab-span" style="white-space:pre"> </span>qual e' il registrant del nome a dominio ripe.net. </div><div><br></div><div>R.2. whois ripe.net | grep "Registrant"</div><div>Registrant Name: Anand Buddhdev</div><div>Registrant Organizzation: RIPE NCC</div><div>######################################################################</div><div>D.3. |<span class="Apple-tab-span" style="white-space:pre"> </span>qual e' il contatto amministrativo del nome a dominio gov. </div><div><br></div><div>R.3. whois gov. -h whois.iana.org</div><div>contact: administrative</div><div>name: Program Manager</div><div>organisation: General Services Administration, Office of Governmentwide Policy</div><div>######################################################################</div><div>D.4. |<span class="Apple-tab-span" style="white-space:pre"> </span>data dell'ultima modifica al record per il nome a dominio com.</div><div><br></div><div>R.4. whois com. -h whois.iana.org</div><div>changed: 2015-05-29</div><div>######################################################################</div><div>D.5. |<span class="Apple-tab-span" style="white-space:pre"> </span>i nameserver autoritativi per il nome a dominio afrinic.net. </div><div><br></div><div>R.5. whois afrinic.net</div><div>Name Server: NS1.AFRINIC.NET</div><div>Name Server: AFRINIC.AUTHDNS.RIPE.NET</div><div>Name Server: SEC1.APNIC.NET</div><div>Name Server: SEC3.APNIC.NET</div><div>Name Server: TINNIE.ARIN.NET</div><div>Name Server: NS2.LACNIC.NET</div><div>Name Server: NS2.AFRINIC.NET</div><div>######################################################################</div><div>D.6. |<span class="Apple-tab-span" style="white-space:pre"> </span>il registrant del nome a dominio di secondo livello gov.it. </div><div><br></div><div>R.6. whois gov.it</div><div>Organization: Presidenza del Consiglio dei Ministri</div><div>######################################################################</div><div>D.7. | lo status del nome a dominio di secondo livello ap.it.<span class="Apple-tab-span" style="white-space:pre"> </span></div><div><br></div><div>R.7. whois ap.it | grep ".tatus"</div><div>Status: UNASSIGNABLE</div><div>######################################################################</div><div>D.8. | a chi e' delegata la gestione del ccTLD .tv.<span class="Apple-tab-span" style="white-space:pre"> </span></div><div><br></div><div>R.8. whois tv.it -h whois.iana.org</div><div>organisation: IIT - CNR</div><div>######################################################################</div><div>D.9. | quando e' stato creato il nome a dominio di primo livello .it.</div><div><br></div><div>R.9. whois it. -h whois.iana.org</div><div>created: 1987-12-23</div><div>######################################################################</div><div>D.10.| quanti sono gli icann accredited registrar che iniziano per z </div><div><br></div><div>R.10. https://www.icann.org/registrar-reports/accredited-list.html</div><div>14</div><div>######################################################################</div></div><div>________________________________________________________________________________</div><div><br></div><div><div>######################################################################</div><div>D.1. | qual e' il RR IN MX per il nome a dominio gnu.org.?</div><div><span class="Apple-tab-span" style="white-space:pre"> </span></div><div>R.1. dig gnu.org MX +short</div><div>10 eggs.gnu.org.</div><div>######################################################################</div><div>D.2. | qual e' il RR IN AAAA di $1? </div><div><br></div><div>R.2. dig eggs.gnu.org AAAA +short</div><div>2001:4830:134:3::10</div><div>######################################################################</div><div>D.3. | qual e' il RR IN PTR di $2? </div><div><br></div><div>R.3. dig -x 2001:4830:134:3::10 ptr +short</div><div>eggs.gnu.org.</div><div>######################################################################</div><div>D.4. | qual e' un RR IN NS di com.?</div><div><br></div><div>R.4. dig com. +short ns</div><div>h.gtld-servers.net.</div><div>######################################################################</div><div>D.5. | qual e' il RR IN A di $4? </div><div><br></div><div>R.5. dig h.gtld-servers.net. A +short</div><div>192.54.112.30</div><div>######################################################################</div><div>D.6. | qual e' il RR IN PTR di $5? </div><div><br></div><div>R.6. dig -x 192.54.112.30 ptr +short</div><div>h.gtld-servers.net.</div><div>######################################################################</div><div>D.7. | qual e' il RR IN PTR di 114.19.0.193.in-addr.arpa.?<span class="Apple-tab-span" style="white-space:pre"> </span></div><div><br></div><div>R.7. dig -x 193.0.19.114 +short PTR</div><div>mahimahi.ripe.net.</div><div>######################################################################</div><div>D.8. | qual e' il dominio in-addr.arpa. per 127.0.0.1?<span class="Apple-tab-span" style="white-space:pre"> </span></div><div><br></div><div>R.8. 1.0.0.127.in-addr.arpa.</div><div>######################################################################</div><div>D.9. | qual e' il dominio ip6.arpa. per fe80::e6ce:8ff:2:1?</div><div><br></div><div>R.9. 1.0.0.0.2.0.0.0.f.f.8.0.e.c.6.e.0.0.0.0.0.0.0.0.0.0.0.0.0.8.e.f.ip6.arpa.</div><div>######################################################################</div><div>D.10.| qual e' il RR IN A di mail.comune.osimo.an.it? </div><div><br></div><div>R.10. dig mail.comune.osimo.an.it +short A</div><div>217.58.27.54</div><div>######################################################################</div><div>D.11.| qual e' il RR IN PTR di $10?</div><div><br></div><div>R.11. dig -x 217.58.27.54 ptr +short</div><div>host54-27-static.58-217-b.business.telecomitalia.it.</div><div>######################################################################</div><div>D.12.| qual e' il RR IN A di $11?</div><div><br></div><div>R.12. dig host54-27-static.58-217-b.business.telecomitalia.it. A +short</div><div>217.58.27.54</div><div>######################################################################</div><div>D.13.| qual e' il RR IN TXT di comune.osimo.an.it?</div><div><br></div><div>R.13. dig comune.osimo.an.it +short TXT</div><div>"v=spf1 a:mail.comune.osimo.an.it a:gina.fabersoft.it -all"</div><div>######################################################################</div><div>D.14.| qual e' il RR IN RRSIG di RR IN AAAA di as112.net.? </div><div><br></div><div>R.14. dig as112.net +short RRSIG</div><div>AAAA 8 2 3600 20160515101102 20160415091102 24264 as112.net. 2CltUuuClRPawhgtjt7lDTm7Kru21veaxDw1/J9EkWLSU6u0Cq+lLd8Z ODGmKtyuivJFmYRBiuRObe2ylNgPNM03Vf/0K9eutmRm/pb/0Is9TyBL UsF4/PIleR7qb5fw8vBW9a5t80/8D7lW4CrVNu6mgU4lWEWBE5b8wxX/ O+U=</div><div>#######################################</div><div>D.15. infine: se volessi inviare una e-mail al responsabile della zona</div><div>org, a quale indirizzo dovrei inviarla?</div><div><br></div><div>R.15. whois org. -h whois.iana.org </div><div>e-mail: ops@pir.org</div><div>######################################################################</div></div><div><br></div><div>Grazie.</div><div><br></div><div>Marco</div> </div></body>
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