NAT Multihoming
Stephane Bortzmeyer
bortzmeyer at nic.fr
Mon Jun 4 08:02:52 UTC 2007
On Sun, Jun 03, 2007 at 07:33:45PM -0700,
Stephen Satchell <list at satchell.net> wrote
a message of 29 lines which said:
> The last time I renumbered, I found that quite a few people were not
> honoring the TTLs I put in my DNS zone files. [...] Custom customer
> zone files hosted elsewhere?
Do not forget that applications have their own caches, too, and they
typically ignore completely the DNS TTL. A typical Web brower calls
getaddrinfo() once and use the IP address as long as it is not
restarted.
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