make c-ares available outside curl
name resolution stub
add unit test for dns::Host
add dns category to logging
resolver infrastructure
c-ares implementation of resolver interface (not yet tested)
vector interface, bugfixes
add number of retries as parameter
cosmetics
enforce ttl range between 5 minutes and 1 day
allow for deadline extension
add bugfixes and tests
add bugfixes and tests
use 127.0.0.2 as bad resolver address
add function to replace hostname by ip address
add function to strip brackets from IPv6 address
use ProxyInfo objects instead of URLs in the list of proxies
add function to extract host name from url
expand ip addresses in proxy load-balance groups
download integration