Code:
mh1:~# dig mx kwickbid.com
; <<>> DiG 9.3.4 <<>> mx kwickbid.com
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 7506
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;kwickbid.com. IN MX
;; ANSWER SECTION:
kwickbid.com. 7200 IN MX 10 mail.kwickservers.com.
kwickbid.com. 60 IN MX 0 smtp.kwickbid.com.
kwickbid.com. 600 IN MX 25 guide.mx.dnspark.net.
;; Query time: 169 msec
;; SERVER: 213.133.98.98#53(213.133.98.98)
;; WHEN: Fri Aug 6 11:57:10 2010
;; MSG SIZE rcvd: 121
mh1:~#
smtp.kwickbid.com is the preferred mail server, but there's no A record for smtp.kwickbid.com:
Code:
mh1:~# dig smtp.kwickbid.com
; <<>> DiG 9.3.4 <<>> smtp.kwickbid.com
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 13050
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;smtp.kwickbid.com. IN A
;; Query time: 167 msec
;; SERVER: 213.133.98.98#53(213.133.98.98)
;; WHEN: Fri Aug 6 11:57:20 2010
;; MSG SIZE rcvd: 35
mh1:~#