That is the reason for my question.... Anyone know for sure? Scott PS> version 11.5.
On Fri, Apr 28, 2017 at 1:05 PM, Anthony Holloway < avholloway+cisco-v...@gmail.com> wrote: > Are you talking about DNS TTL? Defects or poor programming might reveal > that it's only resolved at service start (like NTP references on IOS), or > possible never cached and DNS is hit for every connection (like SIP trunks > with DNS names in CUCM). > > On Fri, Apr 28, 2017 at 1:05 PM Scott Voll <svoll.v...@gmail.com> wrote: > >> How often does CM query smtp DNS name? we are changing our Cname for >> SMTP and would like to know how long I should expect for the emails to >> change. >> >> Thanks >> >> Scott >> >> _______________________________________________ >> cisco-voip mailing list >> cisco-voip@puck.nether.net >> https://puck.nether.net/mailman/listinfo/cisco-voip >> >
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