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.
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