Ensure that the best available IP is always used for all supported
safe-search providers. This is accomplished by periodically checking
DNS for the most recent list of IP addresses associated with each
provider.
Signed-off-by: Gregory L. Dietsche <gregory.dietsche@cuw.edu>
Update to 40.89.244.237 which is the new IP address that duckduckgo.com is using for safe-search.
Signed-off-by: Greg Dietsche <gregory.dietsche@cuw.edu>