Why, back in my day, residential ISPs would ignore your TTLs and cache for 3 days no matter what you did…
Kids these days. — Alex > On Jan 20, 2022, at 7:54 PM, Peter Beckman <[email protected]> wrote: > > Please, y'all -- when doing a DNS migration, ensure 1000% that your DNS > records on your old DNS provider match your DNS records on your new DNS > provider, and plan your DNS migration early by setting the TTL for your NS > records at least to 5 minutes (300 seconds) if allowed, 30 seconds if you > can. > > Assume all caching servers will cache for 5 minutes even if you set it to > 30 seconds. > > At least that way if things go wrong, your outage horizon is 5 minutes, not > 1 hour or more!!! -- Alex Balashov | Principal | Evariste Systems LLC Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free) Web: http://www.evaristesys.com/, http://www.csrpswitch.com/ _______________________________________________ VoiceOps mailing list [email protected] https://puck.nether.net/mailman/listinfo/voiceops
