|
|
Speed up DNS lookups
Note that OpenDNS, in an attempt at helping you out, directs unfound FORWARD entries to a "helper" page. This can be bad for troubleshooting and automated log processing. (Reverse DNS lookups aren't affected, however)
To demonstrate, do a dig using a standard DNS server (I'll use 4.2.2.1 as an example) on a hostname that doesn't exist:
You'll notice it doesn't return a host address:
The same query against an OpenDNS server returns a host address that isn't associated with microsoft:
I had this bite me while trying to troubleshoot one our developers home VPN connections.
Speed up DNS lookups
Good to note, but as with anything read the manual.
OpenDNS tries to correct typos. http://www.opendns.com/faq/#why_is_opendns_smarter
Speed up DNS lookups
While that may be useful for normal browsing and most users, it can be an absolute no-no if you're running scripts that depend on getting correct DNS errors, e.g. for URL validation. |
SearchFrom our Sponsor...Latest Mountain Lion HintsWhat's New:HintsNo new hintsComments last 2 daysNo new commentsLinks last 2 weeksNo recent new linksWhat's New in the Forums?
Hints by TopicNews from Macworld
From Our Sponsors |
|
Copyright © 2014 IDG Consumer & SMB (Privacy Policy) Contact Us All trademarks and copyrights on this page are owned by their respective owners. |
Visit other IDG sites: |
|
|
|
Created this page in 0.14 seconds |
|