WeaveDNS reverse lookups ignore tombstones

[tomwilkie]

root@curl:/# ping nginx
PING nginx.weave.local (10.32.0.2) 56(84) bytes of data.
64 bytes from elasticsearch.weave.local (10.32.0.2): icmp_seq=1 ttl=64 time=0.079 ms
64 bytes from elasticsearch.weave.local (10.32.0.2): icmp_seq=2 ttl=64 time=0.125 ms
64 bytes from elasticsearch.weave.local (10.32.0.2): icmp_seq=3 ttl=64 time=0.132 ms
^C
--- nginx.weave.local ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 0.079/0.112/0.132/0.023 ms