Re: Odd A record in our hosts zone file

On 25.06.21 18:29, Bruce Johnson wrote: Thank you…this is very useful information; I thought TTL could only be specified on a per-zone basis, not per-host. not even per-host. Different RR types for the same host can have different TTL. mail1m IN A

Re: Odd A record in our hosts zone file

r-fqdn} is only valid for 60 seconds. As you say, a cheap load balancing attempt! Best, Richard. -Original Message- From: bind-users On Behalf Of Bruce Johnson Sent: 25 June 2021 6:56 pm To: bind-users@lists.isc.org Subject: Odd A record in our hosts zone file I ran across these A r

Re: Odd A record in our hosts zone file

Time to live in the cache. Short time to live is useful when you need to change the A record to swing one host to another. > On Jun 25, 2021, at 12:56, Bruce Johnson wrote: > > I ran across these A records in one of our zone files: > > ;EXCHANGE STUFF > mail1m IN A

RE: Odd A record in our hosts zone file

@lists.isc.org Subject: Odd A record in our hosts zone file I ran across these A records in one of our zone files: ;EXCHANGE STUFF mail1m IN A xxx.xxx.xxx.52; dhbex1 mail1m IN A xxx.xxx.xxx.54; dhbex2 I can see that this is a cheap load

Odd A record in our hosts zone file

I ran across these A records in one of our zone files: ;EXCHANGE STUFF mail1m IN A xxx.xxx.xxx.52; dhbex1 mail1m IN A xxx.xxx.xxx.54; dhbex2 I can see that this is a cheap load-balancing for our exchange OWA servers, but what is the ‘1m’