Yawn. Been there, done that. Why do you think the other public mail services have switched over so quickly ? :)
This is exclusively a gmail problem. On Saturday, 10 August 2024 at 15:28, Suresh Ramasubramanian <ops.li...@gmail.com> wrote: > Look at it this way, anywhere that has resolvers forwarding to other > resolvers that forward to yet another set of resolvers before the query gets > to the root servers (anywhere with a complex network and multiple layers of > firewalling) will have a succession of caches that need to clear .. so might > take somewhat longer than whatever TTL you set. The recommendation therefore > is to lower the TTL for a few days BEFORE you change your DNS records. > > --srs > > From: NANOG <nanog-bounces+ops.lists=gmail....@nanog.org> on behalf of Laura > Smith via NANOG <nanog@nanog.org> > Sent: Saturday, August 10, 2024 7:46:31 PM > To: nanog@nanog.org <nanog@nanog.org> > Subject: Any ideas how long gmail cache DNS records ? > > In typical "Google knows best" style they appear to be ignoring SOA and TTL > and doing their own thing. > > Changed DNS severs and MX records, other public mail services have picked it > up no problem. > > Gmail however appear to be insisting on continuing to deliver to the old mail > servers for god knows how much longer ? > > Any ideas how long I can expect this to go on for before they Do The Right > Thing (TM) ?
