_netblocks.sparkpostmail.com TXT records

TXT Human readable text
5m
SPF
Sender policy
v=spf1 ip4:147.253.208.0/20 ip4:192.174.80.0/20 ~all

Question and response

Question

dig _netblocks.sparkpostmail.com. TXT

Answer

_netblocks.sparkpostmail.com. 300 TXT "v=spf1 ip4:147.253.208.0/20 ip4:192.174.80.0/20 ~all"

Authority

sparkpostmail.com. 172800 NS ns-1361.awsdns-42.org. sparkpostmail.com. 172800 NS ns-1855.awsdns-39.co.uk. sparkpostmail.com. 172800 NS ns-304.awsdns-38.com. sparkpostmail.com. 172800 NS ns-775.awsdns-32.net.

Additional

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