dig - If Google provides public DNS 8.8.8.8 and 8.8.4.4, who provides 4.2.2.2?
2014-04
Rudolph
I was always told by colleagues 4.2.2.2 appears to work faster and have to combine that with Google's public DNS. Basically using 8.8.8.8 as primary and 4.2.2.2 as secondary. However, Google only provides 8.8.8.8 and 8.8.4.4, so who provides 4.2.2.2? And if true, why is 4.2.2.2 faster?
Note: These IP addresses are used to dig domains and to determine if local DNS changes has propagated over all over the internet.
Bigbio2002
4.2.2.2 is one of six (4.2.2.1 through 4.2.2.6) DNS servers run by Level 3 Communications, a Tier 1 ISP. These are supposed to be used by Level 3 customers only, although they have gone into general use over the years. Supposedly, they are officially discouraging people from using these DNS servers, as they are under no obligation to provide this service and can theoretically discontinue them at any time (whereas Google provides their DNS servers expressly for public use).
More information here.
null
I would like my DNS to filter/alert me of potential bad websites. OpenDNS seems to be touting this as their best feature, but Google also seems to say their DNS is secure.
Speed does not concern me much, I can wait a few milliseconds longer for better security.
Which do you use? Oh by the way I am comparing Google DNS against OpenDNS Basic Plan (the free one).
Paul R
I just started using OpenDNS with filtering - it doesn't seem to catch all sites in a given blocked category but it does a reasonable job. If you're worried about kids or others stumbling upon inappropriate sites then you might want some additional filtering on their PCs or other devices.
steve.lippert
The security that Google Public DNS touts is just about the DNS system itself, not anything like filtering bad websites. I have been using OpenDNS since it started and haven't had any issues, but I also don't use it for the filtering, just reliable service and speed.