Question and response
Question
dig _spf_iras.ncs.com.sg. TXT
Answer
_spf_iras.ncs.com.sg. 3600 TXT "v=spf1 ip4:13.228.127.53 ip4:101.100.243.150 ip4:198.207.147.224/27 ip4:204.239.0.224/27 ip4:172.246.5.162 ip4:202.6.161.24 ip4:202.6.165.103 ip4:159.135.228.10 -all"
Authority
ncs.com.sg. 172800 NS ns-1021.awsdns-63.net.
ncs.com.sg. 172800 NS ns-1164.awsdns-17.org.
ncs.com.sg. 172800 NS ns-1682.awsdns-18.co.uk.
ncs.com.sg. 172800 NS ns-52.awsdns-06.com.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0