"v=spf1 ip4:52.27.255.196/30 ip4:52.27.255.200/30 ip4:52.27.255.220/31 ip4:52.27.255.225 ip4:52.27.255.226 ip4:52.11.191.193 ip4:52.88.196.242 ip4:54.245.181.12 ip4:35.155.162.215 ip4:54.70.193.247 ip4:54.214.207.145 -all"
Question and response
Question
dig spf.mail.intercom.io. SPF
Answer
spf.mail.intercom.io. 600 SPF "v=spf1 ip4:52.27.255.196/30 ip4:52.27.255.200/30 ip4:52.27.255.220/31 ip4:52.27.255.225 ip4:52.27.255.226 ip4:52.11.191.193 ip4:52.88.196.242 ip4:54.245.181.12 ip4:35.155.162.215 ip4:54.70.193.247 ip4:54.214.207.145 -all"
Authority
mail.intercom.io. 172800 NS ns-1249.awsdns-28.org.
mail.intercom.io. 172800 NS ns-1582.awsdns-05.co.uk.
mail.intercom.io. 172800 NS ns-289.awsdns-36.com.
mail.intercom.io. 172800 NS ns-995.awsdns-60.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0