Strange MX Record for altavista.com
Barry Finkel
b19141 at achilles.ctd.anl.gov
Wed Sep 1 21:36:27 UTC 2004
There is a mail system here that has mail queued for altavista.com.
dig reports:
atalanta% dig altavista.com mx
; <<>> DiG 8.3 <<>> altavista.com mx
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 5, ADDITIONAL: 0
;; QUERY SECTION:
;; altavista.com, type = MX, class = IN
;; ANSWER SECTION:
altavista.com. 10M IN MX 0 .
;; AUTHORITY SECTION:
altavista.com. 10M IN NS ns4.yahoo.com.
altavista.com. 10M IN NS ns5.yahoo.com.
altavista.com. 10M IN NS ns1.yahoo.com.
altavista.com. 10M IN NS ns2.yahoo.com.
altavista.com. 10M IN NS ns3.yahoo.com.
;; Total query time: 65 msec
;; FROM: atalanta.ctd.anl.gov to SERVER: default -- 146.137.64.5
;; WHEN: Wed Sep 1 16:27:21 2004
;; MSG SIZE sent: 31 rcvd: 142
atalanta%
That is a strange MX record. When that mail system (MX Exchange)
tries to send the mail, it opens an SMTP port 25 connection to one of
my DNS servers. Is this what is supposed to happen? Thanks.
----------------------------------------------------------------------
Barry S. Finkel
Computing and Instrumentation Solutions Division
Argonne National Laboratory Phone: +1 (630) 252-7277
9700 South Cass Avenue Facsimile:+1 (630) 252-4601
Building 222, Room D209 Internet: BSFinkel at anl.gov
Argonne, IL 60439-4828 IBMMAIL: I1004994
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