zhangs-Mac-mini:~ zijin$ dig @
199.91.73.222
a1.phobos.apple.com; <<>> DiG 9.8.3-P1 <<>> @
199.91.73.222
a1.phobos.apple.com; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 39599
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 8, ADDITIONAL: 8
;; QUESTION SECTION:
;
a1.phobos.apple.com. IN A
;; ANSWER SECTION:
a1.phobos.apple.com. 1488 IN A 182.118.46.139
a1.phobos.apple.com. 1488 IN A 222.73.233.236
;; AUTHORITY SECTION:
da1.akamai.net. 1153 IN NS
n4da1.akamai.net.
da1.akamai.net. 1153 IN NS
n3da1.akamai.net.
da1.akamai.net. 1153 IN NS
n7da1.akamai.net.
da1.akamai.net. 1153 IN NS
n6da1.akamai.net.
da1.akamai.net. 1153 IN NS
n0da1.akamai.net.
da1.akamai.net. 1153 IN NS
n2da1.akamai.net.
da1.akamai.net. 1153 IN NS
n1da1.akamai.net.
da1.akamai.net. 1153 IN NS
n5da1.akamai.net.
;; ADDITIONAL SECTION:
n0da1.akamai.net. 2232 IN A 193.108.88.195
n1da1.akamai.net. 13030 IN A 203.186.47.151
n2da1.akamai.net. 5245 IN A 193.108.88.195
n3da1.akamai.net. 2232 IN A 219.76.10.38
n4da1.akamai.net. 13030 IN A 203.186.47.150
n5da1.akamai.net. 5245 IN A 203.186.47.150
n6da1.akamai.net. 2232 IN A 203.186.47.157
n7da1.akamai.net. 13030 IN A 203.186.47.151
;; Query time: 230 msec
;; SERVER: 199.91.73.222#53(199.91.73.222)
;; WHEN: Mon Mar 25 17:44:31 2013
;; MSG SIZE rcvd: 371