const net.hostLookupDNS

4 uses

	net (current package)
		conf.go#L171: 			return hostLookupDNS
		conf.go#L272: 		return hostLookupDNS
		dnsclient_unix.go#L502: 	hostLookupDNS                      // only DNS
		dnsclient_unix.go#L510: 	hostLookupDNS:      "dns",