Appendice B. Example Responses (Esempi di risposte)

Gli esempi in questa sezione mostrano messaggi di risposta utilizzando l'esempio di zona firmata nell'Appendice A.

B.1. Answer (Risposta)

Una query riuscita a un server autorevole.

;; Header: QR AA DO RCODE=0
;;
;; Question
x.w.example.        IN MX

;; Answer
x.w.example.   3600 IN MX  1 xx.example.
x.w.example.   3600 RRSIG  MX 5 3 3600 20040509183619 (
                           20040409183619 38519 example.
                           Il2WTZ+Bkv+OytBx4LItNW5mjB4RCwhOO8y1
                           XzPHZmZUTVYL7LaA63f6T9ysVBzJRI3KRjAP
                           H3U1qaYnDoN1DrWqmi9RJe4FoObkbcdm7P3I
                           kx70ePCoFgRz1Yq+bVVXCvGuAU4xALv3W/Y1
                           jNSlwZ2mSWKHfxFQxPtLj8s32+k= )

;; Authority
example.       3600 NS     ns1.example.
example.       3600 NS     ns2.example.
example.       3600 RRSIG  NS 5 1 3600 20040509183619 (
                           20040409183619 38519 example.
                           gl13F00f2U0R+SWiXXLHwsMY+qStYy5k6zfd
                           EuivWc+wd1fmbNCyql0Tk7lHTX6UOxc8AgNf
                           4ISFve8XqF4q+o9qlnqIzmppU3LiNeKT4FZ8
                           RO5urFOvoMRTbQxW3U0hXWuggE4g3ZpsHv48
                           0HjMeRaZB/FRPGfJPajngcq6Kwg= )

;; Additional
xx.example.    3600 IN A   192.0.2.10
xx.example.    3600 RRSIG  A 5 2 3600 20040509183619 (
                           20040409183619 38519 example.
                           kBF4YxMGWF0D8r0cztL+2fWWOvN1U/GYSpYP
                           7SoKoNQ4fZKyk+weWGlKLIUM+uE1zjVTPXoa
                           0Z6WG0oZp46rkl1EzMcdMgoaeUzzAJ2BMq+Y
                           VdxG9IK1yZkYGY9AgbTOGPoAgbJyO9EPULsx
                           kbIDV6GPPSZVusnZU6OMgdgzHV4= )
xx.example.    3600 AAAA   2001:db8::f00:baaa
xx.example.    3600 RRSIG  AAAA 5 2 3600 20040509183619 (
                           20040409183619 38519 example.
                           Zzj0yodDxcBLnnOIwDsuKo5WqiaK24DlKg9C
                           aGaxDFiKgKobUj2jilYQHpGFn2poFRetZd4z
                           ulyQkssz2QHrVrPuTMS22knudCiwP4LWpVTr
                           U4zfeA+rDz9stmSBP/4PekH/x2IoAYnwctd/
                           xS9cL2QgW7FChw16mzlkH6/vsfs= )
ns1.example.   3600 IN A   192.0.2.1
ns1.example.   3600 RRSIG  A 5 2 3600 20040509183619 (
                           20040409183619 38519 example.
                           F1C9HVhIcs10cZU09G5yIVfKJy5yRQQ3qVet
                           5pGhp82pzhAOMZ3K22JnmK4c+IjUeFp/to06
                           im5FVpHtbFisdjyPq84bhTv8vrXt5AB1wNB+
                           +iAqvIfdgW4sFNC6oADb1hK8QNauw9VePJhK
                           v/iVXSYC0b7mPSU+EOlknFpVECs= )
ns2.example.   3600 IN A   192.0.2.2
ns2.example.   3600 RRSIG  A 5 2 3600 20040509183619 (
                           20040409183619 38519 example.
                           V7cQRw1TR+knlaL1z/psxlS1PcD37JJDaCMq
                           Qo6/u1qFQu6x+wuDHRH22Ap9ulJPQjFwMKOu
                           yfPGQPC8KzGdE3vt5snFEAoE1Vn3mQqtu7SO
                           6amIjk13Kj/jyJ4nGmdRIc/3cM3ipXFhNTKq
                           rdhx8SZ0yy4ObIRzIzvBFLiSS8o= )

B.2. Name Error (Errore di nome)

Un errore di nome autorevole. I RR NSEC dimostrano che il nome non esiste e che non esiste alcun wildcard di copertura.

;; Header: QR AA DO RCODE=3
;;
;; Question
ml.example.         IN A

;; Answer
;; (empty)

;; Authority
example.       3600 IN SOA ns1.example. bugs.x.w.example. (
                           1081539377
                           3600
                           300
                           3600000
                           3600
                           )
example.       3600 RRSIG  SOA 5 1 3600 20040509183619 (
                           20040409183619 38519 example.
                           ONx0k36rcjaxYtcNgq6iQnpNV5+drqYAsC9h
                           7TSJaHCqbhE67Sr6aH2xDUGcqQWu/n0UVzrF
                           vkgO9ebarZ0GWDKcuwlM6eNB5SiX2K74l5LW
                           DA7S/Un/IbtDq4Ay8NMNLQI7Dw7n4p8/rjkB
                           jV7j86HyQgM5e7+miRAz8V01b0I= )
b.example.     3600 NSEC   ns1.example. NS RRSIG NSEC
b.example.     3600 RRSIG  NSEC 5 2 3600 20040509183619 (
                           20040409183619 38519 example.
                           GNuxHn844wfmUhPzGWKJCPY5ttEX/RfjDoOx
                           9ueK1PtYkOWKOOdiJ/PJKCYB3hYX+858dDWS
                           xb2qnV/LSTCNVBnkm6owOpysY97MVj5VQEWs
                           0lm9tFoqjcptQkmQKYPrwUnCSNwvvclSF1xZ
                           vhRXgWT7OuFXldoCG6TfVFMs9xE= )
example.       3600 NSEC   a.example. NS SOA MX RRSIG NSEC DNSKEY
example.       3600 RRSIG  NSEC 5 1 3600 20040509183619 (
                           20040409183619 38519 example.
                           O0k558jHhyrC97ISHnislm4kLMW48C7U7cBm
                           FTfhke5iVqNRVTB1STLMpgpbDIC9hcryoO0V
                           Z9ME5xPzUEhbvGnHd5sfzgFVeGxr5Nyyq4tW
                           SDBgIBiLQUv1ivy29vhXy7WgR62dPrZ0PWvm
                           jfFJ5arXf4nPxp/kEowGgBRzY/U= )

;; Additional
;; (empty)

B.3. No Data Error (Errore nessun dato)

Una risposta "nessun dato". Il RR NSEC dimostra che il nome esiste e che il tipo di RR richiesto non esiste.

;; Header: QR AA DO RCODE=0
;;
;; Question
ns1.example.        IN MX

;; Answer
;; (empty)

;; Authority
example.       3600 IN SOA ns1.example. bugs.x.w.example. (
                           1081539377
                           3600
                           300
                           3600000
                           3600
                           )
example.       3600 RRSIG  SOA 5 1 3600 20040509183619 (
                           20040409183619 38519 example.
                           ONx0k36rcjaxYtcNgq6iQnpNV5+drqYAsC9h
                           7TSJaHCqbhE67Sr6aH2xDUGcqQWu/n0UVzrF
                           vkgO9ebarZ0GWDKcuwlM6eNB5SiX2K74l5LW
                           DA7S/Un/IbtDq4Ay8NMNLQI7Dw7n4p8/rjkB
                           jV7j86HyQgM5e7+miRAz8V01b0I= )
ns1.example.   3600 NSEC   ns2.example. A RRSIG NSEC
ns1.example.   3600 RRSIG  NSEC 5 2 3600 20040509183619 (
                           20040409183619 38519 example.
                           I4hj+Kt6+8rCcHcUdolks2S+Wzri9h3fHas8
                           1rGN/eILdJHN7JpV6lLGPIh/8fIBkfvdyWnB
                           jjf1q3O7JgYO1UdI7FvBNWqaaEPJK3UkddBq
                           ZIaLi8Qr2XHkjq38BeQsbp8X0+6h4ETWSGT8
                           IZaIGBLryQWGLw6Y6X8dqhlnxJM= )

;; Additional
;; (empty)

B.4. Referral to Signed Zone (Riferimento a zona firmata)

Riferimento a una zona firmata. Il RR DS contiene i dati di cui il resolver avrà bisogno per validare il RR DNSKEY corrispondente nell'apice della zona figlia.

;; Header: QR DO RCODE=0
;;
;; Question
mc.a.example.       IN MX

;; Answer
;; (empty)

;; Authority
a.example.     3600 IN NS  ns1.a.example.
a.example.     3600 IN NS  ns2.a.example.
a.example.     3600 DS     57855 5 1 (
                           B6DCD485719ADCA18E5F3D48A2331627FDD3
                           636B )
a.example.     3600 RRSIG  DS 5 2 3600 20040509183619 (
                           20040409183619 38519 example.
                           oXIKit/QtdG64J/CB+Gi8dOvnwRvqrto1AdQ
                           oRkAN15FP3iZ7suB7gvTBmXzCjL7XUgQVcoH
                           kdhyCuzp8W9qJHgRUSwKKkczSyuL64nhgjuD
                           EML8l9wlWVsl7PR2VnZduM9bLyBhaaPmRKX/
                           Fm+v6ccF2EGNLRiY08kdkz+XHHo= )

;; Additional
ns1.a.example. 3600 IN A   192.0.2.5
ns2.a.example. 3600 IN A   192.0.2.6

B.5. Referral to Unsigned Zone (Riferimento a zona non firmata)

Riferimento a una zona non firmata. Il RR NSEC dimostra che non esiste alcun RR DS per questa delega nella zona padre.

;; Header: QR DO RCODE=0
;;
;; Question
mc.b.example.       IN MX

;; Answer
;; (empty)

;; Authority
b.example.     3600 IN NS  ns1.b.example.
b.example.     3600 IN NS  ns2.b.example.
b.example.     3600 NSEC   ns1.example. NS RRSIG NSEC
b.example.     3600 RRSIG  NSEC 5 2 3600 20040509183619 (
                           20040409183619 38519 example.
                           GNuxHn844wfmUhPzGWKJCPY5ttEX/RfjDoOx
                           9ueK1PtYkOWKOOdiJ/PJKCYB3hYX+858dDWS
                           xb2qnV/LSTCNVBnkm6owOpysY97MVj5VQEWs
                           0lm9tFoqjcptQkmQKYPrwUnCSNwvvclSF1xZ
                           vhRXgWT7OuFXldoCG6TfVFMs9xE= )

;; Additional
ns1.b.example. 3600 IN A   192.0.2.7
ns2.b.example. 3600 IN A   192.0.2.8

B.6. Wildcard Expansion (Espansione wildcard)

Una query riuscita che è stata risolta tramite espansione wildcard. Il conteggio delle etichette nel RR RRSIG della risposta indica che un RRset wildcard è stato espanso per produrre questa risposta, e il RR NSEC dimostra che non esiste alcuna corrispondenza più vicina nella zona.

;; Header: QR AA DO RCODE=0
;;
;; Question
a.z.w.example.      IN MX

;; Answer
a.z.w.example. 3600 IN MX  1 ai.example.
a.z.w.example. 3600 RRSIG  MX 5 2 3600 20040509183619 (
                           20040409183619 38519 example.
                           OMK8rAZlepfzLWW75Dxd63jy2wswESzxDKG2
                           f9AMN1CytCd10cYISAxfAdvXSZ7xujKAtPbc
                           tvOQ2ofO7AZJ+d01EeeQTVBPq4/6KCWhqe2X
                           TjnkVLNvvhnc0u28aoSsG0+4InvkkOHknKxw
                           4kX18MMR34i8lC36SR5xBni8vHI= )

;; Authority
example.       3600 NS     ns1.example.
example.       3600 NS     ns2.example.
example.       3600 RRSIG  NS 5 1 3600 20040509183619 (
                           20040409183619 38519 example.
                           gl13F00f2U0R+SWiXXLHwsMY+qStYy5k6zfd
                           EuivWc+wd1fmbNCyql0Tk7lHTX6UOxc8AgNf
                           4ISFve8XqF4q+o9qlnqIzmppU3LiNeKT4FZ8
                           RO5urFOvoMRTbQxW3U0hXWuggE4g3ZpsHv48
                           0HjMeRaZB/FRPGfJPajngcq6Kwg= )
x.y.w.example. 3600 NSEC   xx.example. MX RRSIG NSEC
x.y.w.example. 3600 RRSIG  NSEC 5 4 3600 20040509183619 (
                           20040409183619 38519 example.
                           OvE6WUzN2ziieJcvKPWbCAyXyP6ef8cr6Csp
                           ArVSTzKSquNwbezZmkU7E34o5lmb6CWSSSpg
                           xw098kNUFnHcQf/LzY2zqRomubrNQhJTiDTX
                           a0ArunJQCzPjOYq5t0SLjm6qp6McJI1AP5Vr
                           QoKqJDCLnoAlcPOPKAm/jJkn3jk= )

;; Additional
ai.example.    3600 IN A   192.0.2.9
ai.example.    3600 RRSIG  A 5 2 3600 20040509183619 (
                           20040409183619 38519 example.
                           pAOtzLP2MU0tDJUwHOKE5FPIIHmdYsCgTb5B
                           ERGgpnJluA9ixOyf6xxVCgrEJW0WNZSsJicd
                           hBHXfDmAGKUajUUlYSAH8tS4ZnrhyymIvk3u
                           ArDu2wfT130e9UHnumaHHMpUTosKe22PblOy
                           6zrTpg9FkS0XGVmYRvOTNYx2HvQ= )
ai.example.    3600 AAAA   2001:db8::f00:baa9
ai.example.    3600 RRSIG  AAAA 5 2 3600 20040509183619 (
                           20040409183619 38519 example.
                           nLcpFuXdT35AcE+EoafOUkl69KB+/e56XmFK
                           kewXG2IadYLKAOBIoR5+VoQV3XgTcofTJNsh
                           1rnF6Eav2zpZB3byI6yo2bwY8MNkr4A7cL9T
                           cMmDwV/hWFKsbGBsj8xSCN/caEL2CWY/5XP2
                           sZM6QjBBLmukH30+w1z3h8PUP2o= )

B.7. Wildcard No Data Error (Errore nessun dato wildcard)

Una risposta "nessun dato" per un nome coperto da un wildcard. I RR NSEC dimostrano che il nome wildcard corrispondente non ha alcun RR del tipo richiesto e che non esiste alcuna corrispondenza più vicina nella zona.

;; Header: QR AA DO RCODE=0
;;
;; Question
a.z.w.example.      IN AAAA

;; Answer
;; (empty)

;; Authority
example.       3600 IN SOA ns1.example. bugs.x.w.example. (
                           1081539377
                           3600
                           300
                           3600000
                           3600
                           )
example.       3600 RRSIG  SOA 5 1 3600 20040509183619 (
                           20040409183619 38519 example.
                           ONx0k36rcjaxYtcNgq6iQnpNV5+drqYAsC9h
                           7TSJaHCqbhE67Sr6aH2xDUGcqQWu/n0UVzrF
                           vkgO9ebarZ0GWDKcuwlM6eNB5SiX2K74l5LW
                           DA7S/Un/IbtDq4Ay8NMNLQI7Dw7n4p8/rjkB
                           jV7j86HyQgM5e7+miRAz8V01b0I= )
x.y.w.example. 3600 NSEC   xx.example. MX RRSIG NSEC
x.y.w.example. 3600 RRSIG  NSEC 5 4 3600 20040509183619 (
                           20040409183619 38519 example.
                           OvE6WUzN2ziieJcvKPWbCAyXyP6ef8cr6Csp
                           ArVSTzKSquNwbezZmkU7E34o5lmb6CWSSSpg
                           xw098kNUFnHcQf/LzY2zqRomubrNQhJTiDTX
                           a0ArunJQCzPjOYq5t0SLjm6qp6McJI1AP5Vr
                           QoKqJDCLnoAlcPOPKAm/jJkn3jk= )
*.w.example.   3600 NSEC   x.w.example. MX RRSIG NSEC
*.w.example.   3600 RRSIG  NSEC 5 2 3600 20040509183619 (
                           20040409183619 38519 example.
                           r/mZnRC3I/VIcrelgIcteSxDhtsdlTDt8ng9
                           HSBlABOlzLxQtfgTnn8f+aOwJIAFe1Ee5RvU
                           5cVhQJNP5XpXMJHfyps8tVvfxSAXfahpYqtx
                           91gsmcV/1V9/bZAG55CefP9cM4Z9Y9NT9XQ8
                           s1InQ2UoIv6tJEaaKkP701j8OLA= )

;; Additional
;; (empty)

B.8. DS Child Zone No Data Error (Errore nessun dato zona figlia DS)

Una risposta "nessun dato" per una query QTYPE=DS che è stata inviata erroneamente a un name server per la zona figlia.

;; Header: QR AA DO RCODE=0
;;
;; Question
example.            IN DS

;; Answer
;; (empty)

;; Authority
example.       3600 IN SOA ns1.example. bugs.x.w.example. (
                           1081539377
                           3600
                           300
                           3600000
                           3600
                           )
example.       3600 RRSIG  SOA 5 1 3600 20040509183619 (
                           20040409183619 38519 example.
                           ONx0k36rcjaxYtcNgq6iQnpNV5+drqYAsC9h
                           7TSJaHCqbhE67Sr6aH2xDUGcqQWu/n0UVzrF
                           vkgO9ebarZ0GWDKcuwlM6eNB5SiX2K74l5LW
                           DA7S/Un/IbtDq4Ay8NMNLQI7Dw7n4p8/rjkB
                           jV7j86HyQgM5e7+miRAz8V01b0I= )
example.       3600 NSEC   a.example. NS SOA MX RRSIG NSEC DNSKEY
example.       3600 RRSIG  NSEC 5 1 3600 20040509183619 (
                           20040409183619 38519 example.
                           O0k558jHhyrC97ISHnislm4kLMW48C7U7cBm
                           FTfhke5iVqNRVTB1STLMpgpbDIC9hcryoO0V
                           Z9ME5xPzUEhbvGnHd5sfzgFVeGxr5Nyyq4tW
                           SDBgIBiLQUv1ivy29vhXy7WgR62dPrZ0PWvm
                           jfFJ5arXf4nPxp/kEowGgBRzY/U= )

;; Additional
;; (empty)

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