Let's preferably route traffic for reverse lookups to LLMNR/mDNS/DNS on the matching interface if the IP address is in the local subnet. Also, if looking up an IP address of our own host, let's avoid doing LLMNR/mDNS at all. This is useful if "~." is a routing domain to DNS, as it means, local reverse lookups still go to LLMNR/mDNS, too. Fixes: #16243 #10081
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