- 论坛徽章:
- 0
|
dns server 上修改 mx记录,指向某个 A 记录,然后 A 记录再指向你的 220.xxx.xxx.xxx
比如:
# dig -t mx 163.com
; <<>> DiG 9.3.6-P1-RedHat-9.3.6-4.P1.el5 <<>> -t mx 163.com
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 20869
;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 2, ADDITIONAL: 14
;; QUESTION SECTION:
;163.com. IN MX
;; ANSWER SECTION:
163.com. 188 IN MX 10 mxnew-a.163.com.
;; AUTHORITY SECTION:
163.com. 5576 IN NS ns3.nease.net.
163.com. 5576 IN NS ns4.nease.net.
;; ADDITIONAL SECTION:
mxnew-a.163.com. 5577 IN A 220.181.12.58 |
|