Fred Lindberg writes:
> Would it make sense to have a similar table (or put into the same
> table) also host for which authoritative DNS is not available?
DNS caching is the responsibility of your local name server. Old servers
supported only ``positive caching''; new servers also support ``negat
Hi,
I have a mailing list host with many subscribers unreachable due to
internet cable problem. Those for which there is authoritative DNS
available go into the tcp timeout table and are not retried for 1 h.
Those for which authoritative DNS is not available (all on the other
side of the break)
