[VoiceOps] DIDWW API DNS Issue

[Peter Beckman]

Hahaha yeah, thanks Residential ISPs, your DNS sucks. I always found a
better caching resolver, like UUNET, until Verizon got better at it, and
then Google DNS came along.

The caches have cleared.

Beckman

On Thu, 20 Jan 2022, Alex Balashov wrote:

> 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 <beckman at angryox.com> 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/
>
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Peter Beckman                                                  Internet Guy
beckman at angryox.com                                https://www.angryox.com/
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