one MX record points to many A records
Len Conrad
LConrad at Go2France.com
Wed Sep 4 16:21:37 UTC 2002
>Do you think this might cause anybody any problems - rather than have
>many MX records with one A record for each?
seems to work for these people:
# dig aol.com mx
; <<>> DiG 8.3 <<>> aol.com mx
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 4, ADDITIONAL: 18
;; QUERY SECTION:
;; aol.com, type = MX, class = IN
;; ANSWER SECTION:
aol.com. 1H IN MX 15 mailin-03.mx.aol.com.
aol.com. 1H IN MX 15 mailin-04.mx.aol.com.
aol.com. 1H IN MX 15 mailin-01.mx.aol.com.
aol.com. 1H IN MX 15 mailin-02.mx.aol.com.
;; AUTHORITY SECTION:
aol.com. 1H IN NS dns-01.ns.aol.com.
aol.com. 1H IN NS dns-02.ns.aol.com.
aol.com. 1H IN NS dns-06.ns.aol.com.
aol.com. 1H IN NS dns-07.ns.aol.com.
;; ADDITIONAL SECTION:
mailin-03.mx.aol.com. 5M IN A 64.12.136.217
mailin-03.mx.aol.com. 5M IN A 64.12.136.249
mailin-03.mx.aol.com. 5M IN A 64.12.137.121
mailin-03.mx.aol.com. 5M IN A 64.12.137.152
mailin-03.mx.aol.com. 5M IN A 205.188.158.25
mailin-04.mx.aol.com. 5M IN A 152.163.224.122
mailin-04.mx.aol.com. 5M IN A 64.12.136.153
mailin-04.mx.aol.com. 5M IN A 64.12.137.121
mailin-04.mx.aol.com. 5M IN A 64.12.137.152
mailin-01.mx.aol.com. 5M IN A 152.163.224.26
mailin-01.mx.aol.com. 5M IN A 64.12.136.57
mailin-01.mx.aol.com. 5M IN A 205.188.156.122
mailin-01.mx.aol.com. 5M IN A 64.12.137.89
mailin-01.mx.aol.com. 5M IN A 64.12.137.184
dns-01.ns.aol.com. 1H IN A 152.163.159.232
dns-02.ns.aol.com. 1H IN A 205.188.157.232
dns-06.ns.aol.com. 1H IN A 149.174.211.8
dns-07.ns.aol.com. 1H IN A 64.12.51.132
:)
Len
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