DNS: dns2-exercise2.txt

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DNS2 Exercise 2

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1[DNS Exercise 2.2] DNS Worksheet
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3Domain name to test: __________________________________  Query type: "A"
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51. Start at any root server
6        dig +norec @k.root-servers.net.  _____________________  a
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82. Referral: what NS records were returned in the "authority" section?
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10Write them down.
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123. Repeat your query for every NS record found in step 2.
13Was the response a referral or a final authoritative answer?
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15Write the response down.
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17a) Did every server respond?
18b) Were the responses the same?
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204. If step 3 was a referral, repeat again for every NS record found.
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22Write the responses down.
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24a) Did every server respond?
25b) Were the responses the same?
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27Continue for further referrals if necessary.
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295. Checklist:
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31a) Did all the nameservers give a response?
32b) Did they all give either a referral to a subdomain, or an AA (Authoritative
33   Answer)?
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35c) Were all the answers from each group of nameservers the same?
36d) Did each group consist of at least two nameservers on two different networks?
37e) For the final set of authoritative servers: did the list of NS records in the
38f) Authority Section match the list of nameservers in the referral from above?
39g) Were the TTL values reasonable?