DNS Registry Hack

pparks1 said:

And as I stated, I don't see from a technical standpoint how expiring the DNS cache every 1 second on your local host could possibly lead to faster page loading... If anything, you would want to cache a DNS lookup even longer, so it only has to look it up once and then just keep referring to the cache rather than doing subsequent lookups.

Yeah. You should increase the cache time so that your system doesn't have to query the DNS again and again for the same site you visited just 1 second ago and can use this cache to begin the page loading sequence faster and what do you mean by '' I use hacks" ?

EzioAuditore said:

pparks1 said:

And as I stated, I don't see from a technical standpoint how expiring the DNS cache every 1 second on your local host could possibly lead to faster page loading... If anything, you would want to cache a DNS lookup even longer, so it only has to look it up once and then just keep referring to the cache rather than doing subsequent lookups.

Yeah. You should increase the cache time so that your system doesn't have to query the DNS again and again for the same site you visited just 1 second ago and can use this cache to begin the page loading sequence faster and what do you mean by '' I use hacks" ?

Hi, I have read that a PC first checks the host's file, if successful it has no need to use DNS Service.
The 'hacks' are in my start thread, Maybe should have described them as 'edits'

Roderunner said:

pparks1 said:

Roderunner said:

The MaxCacheTtl represents the maximum time that the results of a DNS lookup will be cached. The default value is 86,400 seconds. If you set this value to 1, DNS entries will only be cashed for a single second.

I'm unsure how this would improve performance. Essentially you are saying to only cache a name for 1 second. All subsequent requests would then re-perform a new DNS lookup to determine the name again. All of these DNS Lookups will require time...not speed things up.

As stated in an earlier post, I use the hacks with mvps.org's hosts file and DNS Service on auto on my slightly faster desktop and it does speed up page loading. If used on a laptop 'boot' time trebles.

You can see on screenshot, some DNS Cache hack since XP (meant Windows 98)...maybe a look at speedguide.net can help you a litlle but there's a lot of discuss on MS Technet site, search for DNS.

Roderunner said:

Hi, I have read that a PC first checks the host's file, if successful it has no need to use DNS Service.
The 'hacks' are in my start thread, Maybe should have described them as 'edits'

Yes, the PC always uses the Host file first. This gives you complete ability to override and set DNS entries to whatever you want. Of course, the downside is that if the site ever moves to a new IP, you have to update your hosts file accordingly...otherwise you will still be pointing at the old IP which may or may not resolve to anything.

another DNS trick:

How to prevent DNS cache pollution

NoN said:

Roderunner said:

pparks1 said:

I'm unsure how this would improve performance. Essentially you are saying to only cache a name for 1 second. All subsequent requests would then re-perform a new DNS lookup to determine the name again. All of these DNS Lookups will require time...not speed things up.

As stated in an earlier post, I use the hacks with mvps.org's hosts file and DNS Service on auto on my slightly faster desktop and it does speed up page loading. If used on a laptop 'boot' time trebles.

You can see on screenshot, some DNS Cache hack since XP (meant Windows 98)...maybe a look at speedguide.net can help you a litlle but there's a lot of discuss on MS Technet site, search for DNS.

Sorry, I can't enlarge the image you posted

pparks1 said:

Roderunner said:

Hi, I have read that a PC first checks the host's file, if successful it has no need to use DNS Service.
The 'hacks' are in my start thread, Maybe should have described them as 'edits'

Yes, the PC always uses the Host file first. This gives you complete ability to override and set DNS entries to whatever you want. Of course, the downside is that if the site ever moves to a new IP, you have to update your hosts file accordingly...otherwise you will still be pointing at the old IP which may or may not resolve to anything.

I check MVPS site frequently for updates.

NoN said:

another DNS trick:

How to prevent DNS cache pollution

I use OpenDNS for my PC's with the updater application.

Roderunner said:

NoN said:

another DNS trick:

How to prevent DNS cache pollution

I use OpenDNS for my PC's with the updater application.

Could be the easier solution checking what's up!...