Question and response
Question
dig _spf.tosspayments.com. TXT
Answer
_spf.tosspayments.com. 60 TXT "v=spf1 ip4:121.67.39.191 ip4:121.67.39.192 ip4:164.124.119.60 ip4:164.124.119.132 ip4:121.67.39.201 ip4:121.67.39.202 ip4:121.65.236.151 ip4:121.65.236.152 ip4:211.170.234.11 ip4:211.170.234.72 ip4:211.170.234.73 ip4:211.170.234.74 ip4:121.67.39.147 ~all"
Authority
tosspayments.com. 172800 NS ns-1420.awsdns-49.org.
tosspayments.com. 172800 NS ns-1909.awsdns-46.co.uk.
tosspayments.com. 172800 NS ns-216.awsdns-27.com.
tosspayments.com. 172800 NS ns-826.awsdns-39.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0