AAAA entry in /etc/named.conf

[Mark Andrews]

> want to add AAAA records that reflect our A records.
>  
> hostname1       IN  A           130.94.106.85
> hostname1       IN AAAA     2002:825e:6a55::
>  
> is the above correct?  Or does the AAAA entry need to be a different notation
> ?

	The mapped AAAA record would be ::ffff:130.94.106.85.

	Note there is no need to do this.  getaddrinfo() etc.
	know to make both A and AAAA queries.  Also getaddrinfo()
	is NOT expecting mapped addresses to be returned to a AAAA
	query.

	Just add AAAA records for the real IPv6 addresses.

	e.g.

; <<>> DiG 8.3 <<>> www.isc.org +noadd 
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 43666
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 2
;; QUERY SECTION:
;;	www.isc.org, type = A, class = IN

;; ANSWER SECTION:
www.isc.org.		10M IN A	204.152.184.88

;; AUTHORITY SECTION:
isc.org.		1H IN NS	ns-ext.isc.org.
isc.org.		1H IN NS	ns-ext.lga1.isc.org.
isc.org.		1H IN NS	ns-ext.nrt1.isc.org.
isc.org.		1H IN NS	ns-ext.sth1.isc.org.

;; Total query time: 0 msec
;; FROM: drugs.dv.isc.org to SERVER: 127.0.0.1
;; WHEN: Wed Jul 27 09:43:40 2005
;; MSG SIZE  sent: 29  rcvd: 188


; <<>> DiG 8.3 <<>> aaaa www.isc.org +noadd 
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 40443
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 2
;; QUERY SECTION:
;;	www.isc.org, type = AAAA, class = IN

;; ANSWER SECTION:
www.isc.org.		10M IN AAAA	2001:4f8:0:2::d

;; AUTHORITY SECTION:
isc.org.		1H IN NS	ns-ext.isc.org.
isc.org.		1H IN NS	ns-ext.lga1.isc.org.
isc.org.		1H IN NS	ns-ext.nrt1.isc.org.
isc.org.		1H IN NS	ns-ext.sth1.isc.org.

;; Total query time: 0 msec
;; FROM: drugs.dv.isc.org to SERVER: 127.0.0.1
;; WHEN: Wed Jul 27 09:43:52 2005
;; MSG SIZE  sent: 29  rcvd: 200

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> 	Singlefin
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--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org