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On Friday 08 April 2011 00:55:19 Peter Humphrey wrote: |
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> Hello list, |
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> |
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> Why do boxes on my network return this? |
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> |
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> $ nslookup www.gentoo.org |
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> Server: 127.0.0.1 |
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> Address: 127.0.0.1#53 |
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> |
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> Non-authoritative answer: |
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> www.gentoo.org canonical name = www-bytemark.gentoo.org. |
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> Name: www-bytemark.gentoo.org |
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> Address: 89.16.167.134 |
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|
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Short answer: it is correct, working as designed. |
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Long answer: |
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|
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That answer came from a DNS cache, which by definition is not authoritative - |
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it is merely a copy (which you trust to be legit) |
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|
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It does match the actual records on the real auth servers: |
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|
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=========== |
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$ dig NS gentoo.org +trace |
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|
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[snip] |
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|
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gentoo.org. 86400 IN NS ns1.gentoo.org. |
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gentoo.org. 86400 IN NS ns2.gentoo.org. |
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;; Received 96 bytes from 199.19.56.1#53(a0.org.afilias-nst.info) in 460 ms |
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|
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gentoo.org. 86400 IN NS ns1.gentoo.org. |
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gentoo.org. 86400 IN NS ns2.gentoo.org. |
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;; Received 96 bytes from 194.116.84.30#53(ns2.gentoo.org) in 214 ms |
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|
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$ dig A www.gentoo.org @ns1.gentoo.org +short |
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www-bytemark.gentoo.org. |
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89.16.167.134 |
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|
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$ dig A ns1.gentoo.org +short |
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208.92.234.78 |
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============ |
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-- |
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Alan McKinnon |
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Systems Engineer^W Technician |
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Infrastructure Services |
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Internet Solutions |
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+27 11 575 7585 |
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-- |
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alan dot mckinnon at gmail dot com |