Assuming a case where there is an empty CNAME chain, but no error,
should getaddrinfo() return EAI_NONAME or EAI_FAIL?
For example:
; <<>> DiG 9.8.0 <<>> www.apple.com aaaa
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 64776
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;www.apple.com. IN AAAA
;; ANSWER SECTION:
www.apple.com. 281 IN CNAME www.isg-apple.com.akadns.net.
www.isg-apple.com.akadns.net. 60 IN CNAME www.apple.com.edgekey.net.
www.apple.com.edgekey.net. 17295 IN CNAME e3191.c.akamaiedge.net.
On FreeBSD 9-current I get this:
ping6 www.apple.com
ping6: Non-recoverable failure in name resolution
which is _FAIL. Should it be _NONAME instead? I looked at the POSIX
definition and it's not clear to me which it should be.
Thanks,
Doug
--
Nothin' ever doesn't change, but nothin' changes much.
-- OK Go
Breadth of IT experience, and depth of knowledge in the DNS.
Yours for the right price. :) http://SupersetSolutions.com/
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