adns debug: using nameserver 172.18.45.6
chiark.net flags 2 type 15 MX(raw) submitted
adns debug: TCP connected (NS=172.18.45.6)
chiark.net flags 2 type MX(raw): OK; nrrs=1; cname=$; owner=$; ttl=3600
 10 mx-relay.chiark.greenend.org.uk
rc=0