[thelist] network/performance diagnostic procedures
ronr at linuxdude.com
Thu Feb 11 16:19:40 CST 2010
If resolving is consistently slow then it's always the ISP's fault.
Their nameservers are just overloaded with recursive requests.
Obviously, ISPs have to provide recursive nameservers for their clients
to ask questions, but they never seem to allocate enough resources.
Most nameservers are not recursive, they just provide the answers about
domains for which they authoritative. Those answers are normally cached
for a period of time, so it's highly unlikely these nameservers will be
slow. Even a slow internet shouldn't have much effect because it's such
a small amount of data normally.
If you can, try using google's public nameservers and see if it makes
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