_spfextra.slack.com TXT records

TXT Human readable text
5m
SPF
Sender policy
v=spf1 ip4:54.240.37.230/31 ip4:76.223.142.180/28 ip4:76.223.142.192/31 ip4:23.249.223.4/30 ip4:76.223.146.27/32 ip4:76.223.146.28/30 ip4:76.223.146.32/28 -all

Question and response

Question

dig _spfextra.slack.com. TXT

Answer

_spfextra.slack.com. 300 TXT "v=spf1 ip4:54.240.37.230/31 ip4:76.223.142.180/28 ip4:76.223.142.192/31 ip4:23.249.223.4/30 ip4:76.223.146.27/32 ip4:76.223.146.28/30 ip4:76.223.146.32/28 -all"

Authority

slack.com. 3600 NS ns-1493.awsdns-58.org. slack.com. 3600 NS ns-166.awsdns-20.com. slack.com. 3600 NS ns-1901.awsdns-45.co.uk. slack.com. 3600 NS ns-606.awsdns-11.net.

Additional

. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0