Google, lycos, and yahoo are all hosted at akamai
[0]$ dig
www.google.com
; <<>> DiG 9.2.1 <<>>
www.google.com
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 8134
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 9, ADDITIONAL: 9
;; QUESTION SECTION:
;
www.google.com. IN A
;; ANSWER SECTION:
www.google.com. 886 IN CNAME
www.google.akadns.net.
www.google.akadns.net. 279 IN A 216.239.53.99
;; AUTHORITY SECTION:
akadns.net. 79766 IN NS zc.akadns.net.
akadns.net. 79766 IN NS zf.akadns.net.
akadns.net. 79766 IN NS zh.akadns.net.
akadns.net. 79766 IN NS ns1-93.akam.net.
akadns.net. 79766 IN NS ns1-159.akam.net.
akadns.net. 79766 IN NS use2.akam.net.
akadns.net. 79766 IN NS usw5.akam.net.
akadns.net. 79766 IN NS use4.akam.net.
akadns.net. 79766 IN NS asia3.akam.net.
;; ADDITIONAL SECTION:
zc.akadns.net. 79766 IN A 63.241.199.50
zf.akadns.net. 79766 IN A 63.215.198.79
zh.akadns.net. 79766 IN A 63.208.48.42
ns1-93.akam.net. 79766 IN A 193.108.91.93
ns1-159.akam.net. 79766 IN A 193.108.91.159
use2.akam.net. 79766 IN A 63.209.170.136
usw5.akam.net. 79766 IN A 63.241.73.214
use4.akam.net. 79766 IN A 80.67.67.182
asia3.akam.net. 79766 IN A 193.108.154.9
;; Query time: 37 msec
;; SERVER: 198.93.80.102#53(198.93.80.102)
;; WHEN: Mon Sep 22 16:40:49 2003
;; MSG SIZE rcvd: 403
[0]$ dig
www.google.akadns.net @zc.akadns.net
; <<>> DiG 9.2.1 <<>>
www.google.akadns.net @zc.akadns.net
;; global options: printcmd
;; connection timed out; no servers could be reached
zc.akadns.net is dead.
The problem is NOT yor computer. Your ISP's DNS server is not handeling the death of zc.akadns.net as it should