May 2011 Archives

上个月曾写过一个QT使用Ameritrade Backfill的问题,今天登录后发现,Quote Server的选择列表中只有三个IP了,和之前自己指定的hosts对比一看,竟然刚好是hosts中指定的三个。马上清理了hosts文件中的设置,重新登录QT,依然如此。再次登录服务器,确认了一下最新的域名信息:
可以发现和上次的结果相比,有问题的4个IP已经去掉 ^_^http://www.guduo.net/2011/04/000371.html

$ nslookup ameritrade02.streamer.com
Server:         74.220.195.27
Address:        74.220.195.27#53

Non-authoritative answer:
Name:   ameritrade02.streamer.com
Address: 216.105.251.38
Name:   ameritrade02.streamer.com
Address: 216.105.251.39
Name:   ameritrade02.streamer.com
Address: 216.105.251.37


$ dig ameritrade02.streamer.com

; <<>> DiG 9.6.2-RedHat-9.6.2-0.BH <<>> ameritrade02.streamer.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 45673
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 6, ADDITIONAL: 7

;; QUESTION SECTION:
;ameritrade02.streamer.com.     IN      A

;; ANSWER SECTION:
ameritrade02.streamer.com. 600  IN      A       216.105.251.37
ameritrade02.streamer.com. 600  IN      A       216.105.251.38
ameritrade02.streamer.com. 600  IN      A       216.105.251.39

;; AUTHORITY SECTION:
streamer.com.           86400   IN      NS      pdns2.ultradns.net.
streamer.com.           86400   IN      NS      pdns3.ultradns.org.
streamer.com.           86400   IN      NS      pdns5.ultradns.info.
streamer.com.           86400   IN      NS      pdns1.ultradns.net.
streamer.com.           86400   IN      NS      pdns4.ultradns.org.
streamer.com.           86400   IN      NS      pdns6.ultradns.co.uk.

;; ADDITIONAL SECTION:
pdns1.ultradns.net.     78172   IN      A       204.74.108.1
pdns1.ultradns.net.     83795   IN      AAAA    2001:502:f3ff::1
pdns2.ultradns.net.     86264   IN      A       204.74.109.1
pdns3.ultradns.org.     86329   IN      A       199.7.68.1
pdns4.ultradns.org.     86350   IN      A       199.7.69.1
pdns5.ultradns.info.    86379   IN      A       204.74.114.1
pdns6.ultradns.co.uk.   86398   IN      A       204.74.115.1

;; Query time: 216 msec
;; SERVER: 74.220.195.27#53(74.220.195.27)
;; WHEN: Wed May  4 08:18:24 2011
;; MSG SIZE  rcvd: 386

--EOF--

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This page is an archive of entries from May 2011 listed from newest to oldest.

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