Configuring different TTLs in multiple RRs for the same domain name, TYPE, and CLASS
dot at dotat.at
Thu Mar 24 16:41:46 UTC 2016
Ben Bridges <bbridges at springnet.net> wrote:
> Microsoft wants a short TTL for their Office 365 records, but I would
> prefer to generally use a longer TTL for most records (including other
> TXT records) in order to reduce the query load on our servers.
I gather MS ask for a 1 hour TTL - at least, that is what has been
specified in the requests I have dealt with.
When I changed our TTLs from 24h to 1h last year, it didn't have a visible
effect on authoritative server query load, much to my surprise.
If I were you, I wouldn't worry too much :-)
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