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

[Emanuela Pompei]

ciao a tutti
ecco le mie soluzioni...anche se prima di andare a dormire e' sempre
un rischio "consegnare"!

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 ripe.net AAAA +shor
2001:67c:2e8:22::c100:68b

dig @8.8.8.8 ripe.net AAAA +shor
2001:67c:2e8:22::c100:68b

dig @c1.authdns.ripe.net. ripe.net AAAA +shor
2001:67c:2e8:22::c100:68b



R3.
dig -x 2001:67c:2e8:22::c100:68b ptr +shor
www.ipv6.ripe.net.

dig @8.8.8.8 -x 2001:67c:2e8:22::c100:68b ptr +shor
www.ipv6.ripe.net.

dig @c1.authdns.ripe.net. -x 2001:67c:2e8:22::c100:68b ptr +shor
www.ipv6.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 google.com A +shor
172.217.16.206

dig @8.8.8.8 google.com A +shor
93.62.101.123
93.62.101.98
93.62.101.93
93.62.101.83
93.62.101.91
93.62.101.94
93.62.101.102
93.62.101.109
93.62.101.79
93.62.101.117
93.62.101.106
93.62.101.87
93.62.101.108
93.62.101.113
93.62.101.121

dig @ns1.google.com google.com A +shor
216.58.208.46



R6.
dig -x 2a00:1450:4001:817::200e ptr +shor
fra16s08-in-x0e.1e100.net.

dig @8.8.8.8 -x 2a00:1450:4001:817::200e ptr +shor
fra16s08-in-x0e.1e100.net.

dig @ns1.google.com -x 2a00:1450:4001:817::200e ptr +shor
fra16s08-in-x0e.1e100.net.

R7.
 dig 114.19.0.193.in-addr.arpa. PTR +shor
mahimahi.ripe.net.

dig @8.8.8.8 114.19.0.193.in-addr.arpa. PTR +shor
mahimahi.ripe.net.

dig @sns-pb.isc.org. 114.19.0.193.in-addr.arpa. PTR +shor
mahimahi.ripe.net.



R8.
dig -x 255.255.255.0
0.255.255.255.in-addr.arpa.

Nota: trattasi di un Non-Existent Domain (;; ->>HEADER<<- opcode:
QUERY, status: NXDOMAIN, id: 5035)


R9.
dig ::1
1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa.

Nota: trattasi di un Non-Existent Domain (;; ->>HEADER<<- opcode:
QUERY, status: NXDOMAIN, id: 6167 )

R10.
dig mgdmzirv00.giustizia.it A +shor
89.119.250.66

dig @ns1a.btitalia.it. mgdmzirv00.giustizia.it A +shor
89.119.250.66

dig @8.8.8.8 mgdmzirv00.giustizia.it A +shor
89.119.250.66

R11.
dig -x 89.119.250.66 PTR +shor
89-119-250-66-static.albacom.net.

dig @8.8.8.8 -x 89.119.250.66 PTR +shor
89-119-250-66-static.albacom.net.

dig @ns1a.btitalia.it. -x 89.119.250.66 PTR +shor
89-119-250-66-static.albacom.net.



R13.
dig ietf.org TXT +shor
"v=spf1 ip4:12.22.58.0/24 ip4:64.170.98.0/24 ip4:4.31.198.32/27
ip4:209.208.19.192/27 ip4:72.167.123.204 ip6:2001:1890:123a::/56
ip6:2001:1890:126c::/56 ip6:2001:1900:3001:0011::0/64
ip6:2607:f170:8000:1500::0/64 -all"

dig @8.8.8.8 ietf.org TXT +shor
"v=spf1 ip4:12.22.58.0/24 ip4:64.170.98.0/24 ip4:4.31.198.32/27
ip4:209.208.19.192/27 ip4:72.167.123.204 ip6:2001:1890:123a::/56
ip6:2001:1890:126c::/56 ip6:2001:1900:3001:0011::0/64
ip6:2607:f170:8000:1500::0/64 -all"

dig @ns0.amsl.com. ietf.org TXT +shor
"v=spf1 ip4:12.22.58.0/24 ip4:64.170.98.0/24 ip4:4.31.198.32/27
ip4:209.208.19.192/27 ip4:72.167.123.204 ip6:2001:1890:123a::/56
ip6:2001:1890:126c::/56 ip6:2001:1900:3001:0011::0/64
ip6:2607:f170:8000:1500::0/64 -all"


R14.
dig org. SOA +dnssec +shor
a0.org.afilias-nst.info. noc.afilias-nst.info. 2011985726 1800 900 604800 86400
SOA 7 1 900 20160531210517 20160510200517 52860 org.
2yJNrf0XMLUMvW2CBmVp1fM2tKqsqfmnztDmYZEJXT1fVDD5IFGsFujl
qIk1pVO5gr7Jcsiyyi951ma8VOdYVs6I9mgB/KIfs/Be8zqkGEFflE6e
+jp0rB0W1Iasq2gVdQAKVT4x2ZK5x0aKm2GWoWdQ2jetIHcYSe1LMF9A s1s=

dig @8.8.8.8 org. SOA +dnssec +shor
a0.org.afilias-nst.info. noc.afilias-nst.info. 2011985730 1800 900 604800 86400
SOA 7 1 900 20160531210938 20160510200938 52860 org.
HJcSFo5NKdTBvMHIP2iG/3Z4dHAR8Ty9Njp0sISC6KGTxggppvsQiDgT
AANyNC4ai3RRwaiwUyh3aI36Xh/cD38Pl9TtRhPuzTg7ocW5JYRlGDc1
IQ27sIlhsQPXk5eMrRjKwRrF9YPqqENBz5WvlUC+kD8g5itGMQ+UQ7ve aEI=


dig @a0.org.afilias-nst.info. org. SOA +dnssec +shor
a0.org.afilias-nst.info. noc.afilias-nst.info. 2011985734 1800 900 604800 86400
SOA 7 1 900 20160531211338 20160510201338 52860 org.
WzsHxLdWjrnIZ/SVVHRxCRsucnetaRrG9gh6Yxdl2bXztQ2eEOjYD5Qh
To+d1nC2Zdpz1559pX+2mUUYR9+FfkNEAD/NdQe4ee25GU6xWPjSw76I
PER5e2CfncmNHMkoYpl2JoNloFmkHRYL7QCcIcXLrBz9MFNvFv3rTRTA cj8=





ciao