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

[Abigail Bianconi]

Buonasera Antonio,


invio il mio esercizio definitivo, tranne per la domanda 12..Non ci sono
riuscita.

=========================================
1. | qual e' il RR IN MX per il nome a dominio ripe.net.?|
=========================================
R1.

dig ripe.net MX +short
250 molamola.ripe.net.
200 mahimahi.ripe.net.

dig @tinnie.arin.net. ripe.net MX +short
250 molamola.ripe.net.
200 mahimahi.ripe.net.


dig @8.8.8.8 ripe.net MX +short
200 mahimahi.ripe.net.
250 molamola.ripe.net.

==============================
2. | qual e' il RR IN AAAA di $1?
==============================

R2.

dig molamola.ripe.net. IN AAAA
2001:67c:2e8:11::c100:1371

dig mahimahi.ripe.net. IN AAAA
2001:67c:2e8:11::c100:1372

dig @8.8.8.8 molamola.ripe.net. AAAA
2001:67c:2e8:11::c100:1371

dig @8.8.8.8 mahimahi.ripe.net. AAAA
2001:67c:2e8:11::c100:1372

dig @sns-pb.isc.org. mahimahi.ripe.net. AAAA
2001:67c:2e8:11::c100:1372

dig @sns-pb.isc.org. molamola.ripe.net. AAAA
2001:67c:2e8:11::c100:1371


==============================
3. | qual e' il RR IN PTR di $2?
==============================

R3


dig -x 2001:67c:2e8:11::c100:1371 ptr +shor
molamola.ripe.net.

dig -x 2001:67c:2e8:11::c100:1372 ptr +shor
mahimahi.ripe.net.

dig @8.8.8.8 -x 2001:67c:2e8:11::c100:1372 ptr +shor
mahimahi.ripe.net.

dig @8.8.8.8 -x 2001:67c:2e8:11::c100:1371 ptr +shor
molamola.ripe.net.

dig @sns-pb.isc.org. -x 2001:67c:2e8:11::c100:1371 ptr +shor
molamola.ripe.net.

dig @sns-pb.isc.org. -x 2001:67c:2e8:11::c100:1372 ptr +shor
mahimahi.ripe.net.


=================================================
4. | qual e' il RR IN NS di google.com.?

==============================================

dig google.com NS +shor

ns2.google.com.
ns3.google.com.
ns1.google.com.
ns4.google.com.

dig @8.8.8.8 google.com NS +shor
ns3.google.com.
ns2.google.com.
ns4.google.com.
ns1.google.com.

dig @ns1.google.com google.com NS +shor
ns3.google.com.
ns4.google.com.
ns1.google.com.
ns2.google.com.

==============================
5. | qual e' il RR IN A di $4?

================================

R5

dig ns1.google.com. A +shor
216.239.32.10


dig ns2.google.com. A +shor
216.239.34.10


dig ns3.google.com. A +shor
216.239.36.10


dig ns4.google.com A +shor

216.239.38.10

=======================

6. | qual e' il RR IN PTR di $5?

=======================

R6

dig -x 216.239.32.10 ptr +shor
ns1.google.com.

dig -x 216.239.34.10 ptr +shor

ns2.google.com.
dig -x 216.239.36.10 ptr +shor
ns3.google.com.

dig -x 216.239.38.10 ptr +shor
ns4.google.com.


=========================================================
7 | qual e' il RR IN PTR di 114.19.0.193.in-addr.arpa.?

R7

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

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

dig @c2.authdns.ripe.net 114.19.0.193.in-addr.arpa IN PTR +shor

mahimahi.ripe.net.


===========================================================

8. | qual e' il dominio in-addr.arpa. Per 255.255.255.0?

=========================================================

R.8

0.255.255.255 in-addr.arpa.


=========================================================
9. | qual e' il dominio ip6.arpa. Per ::1?
=========================================================

R.9

1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.IP6.ARPA.


========================================================

10. |qual e' il RR IN A di mgdmzirv00.giustizia.it?

R10

dig mgdmzirv00.giustizia.it IN A +shor
89.119.250.66


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

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

==========================================

11.| qual e' il RR IN PTR di $10?
==========================================

R11

dig -x 89.119.250.66 in ptr +shor
89-119-250-66-static.albacom.net.


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


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

==================================

12.| qual e' il RR IN A di $11?

==================================



==============================
13.| qual e' il RR IN TXT di ietf.org?

==============================

R13

dig ietf.org IN TXT

"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 IN TXT

"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 IN TXT
"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"


==============================

14.| qual e' il RR IN RRSIG del RR IN SOA di org.?

==============================

R14

dig org. IN SOA +dnssec

a0.org.afilias-nst.info. noc.afilias-nst.info. 2011991121 1800 900 604800
86400
SOA 7 1 900 20160604210608 20160514200608 52860 org.
XT04CDjurOGvyRaGqb67CDO8DiA0Xf

2FFDi4nhbeRpK/8tyAf6VNf ERRAKXSqoP1kDdnxwA6ZtMAot9TYfZ
fNZ eOM=

dig @8.8.8.8 org. IN SOA +shor +dnssec


a0.org.afilias-nst.info. noc.afilias-nst.info. 2011991114 1800 900 604800
86400
SOA 7 1 900 20160604205907 20160514195907 52860 org.
xPx9w6V5Y5v3DMfAW4BZlAu6Wuyctj
enZQWwowCzgf91dXM1zxqSOWzgjk5/

=================================================================

Buona serata e grazie della pazienza...
A domani.
Abigail
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