Kai Bojens via mailop skrev den 2024-02-28 08:35:
Am 27.02.24 um 23:30 schrieb Rob Nagler via mailop:
$ dig +short txt nagler.me <http://nagler.me>
"v=spf1 a mx ip4:139.177.203.52 include:_spf.google.com
<http://spf.google.com> -all"
A TTL of just 300 seconds is way too short IMHO. If anything happens to
your DNS you just have five minutes to fix the problem. Set the TTL to
at least 3600 seconds.
more or less static data should be ttl of minimal 12h or 43200 seconds
_______________________________________________
mailop mailing list
[email protected]
https://list.mailop.org/listinfo/mailop
