Question and response
Question
dig _spf0000001.tangocard.com. TXT
Answer
_spf0000001.tangocard.com. 300 TXT "v=spf1 ip4:192.29.88.0/25 ip4:162.88.36.0/24 ip4:208.76.62.0/23 ip4:165.1.100.0/25 ip4:138.1.108.0/25 ip4:192.29.24.0/25 ip4:192.29.44.0/25 ip4:67.231.149.102 ip4:23.253.182.103 ip4:23.253.183.145 ip4:23.253.183.146 ip4:23.253.183.147 ip4:23.253.183.148 i" "p4:23.253.183.150 ip4:192.237.159.42 ip4:192.237.159.43 ip4:159.135.228.10 ip4:198.244.56.107 ip4:198.244.56.108 ip4:198.244.56.109 ip4:198.244.56.111 include:_spf0000002.tangocard.com ~all"
Authority
_spf0000001.tangocard.com. 172800 NS ns-1322.awsdns-37.org.
_spf0000001.tangocard.com. 172800 NS ns-1549.awsdns-01.co.uk.
_spf0000001.tangocard.com. 172800 NS ns-204.awsdns-25.com.
_spf0000001.tangocard.com. 172800 NS ns-578.awsdns-08.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0