Question and response
Question
dig _spf0000006.tangocard.com. TXT
Answer
_spf0000006.tangocard.com. 300 TXT "v=spf1 ip6:2800:3f0:4000::/36 ip4:136.248.224.128/25 ip4:168.129.248.128/25 ip4:168.129.184.128/25 ip4:155.248.135.128/25 ip4:168.110.248.128/25 ip4:136.248.232.128/25 ip4:168.107.248.128/25 ip4:168.110.160.128/25 ip6:2a01:111:f400::/48 ip6:2a01:111:f403:" ":/49 ip6:2001:4860:4000::/36 ip6:2404:6800:4000::/36 ip6:2607:f8b0:4000::/36 ip6:2a00:1450:4000::/36 ip6:2c0f:fb50:4000::/36 ip6:2a01:111:f403:8000::/51 include:_spf0000007.tangocard.com ~all"
Authority
_spf0000006.tangocard.com. 172800 NS ns-1070.awsdns-05.org.
_spf0000006.tangocard.com. 172800 NS ns-1906.awsdns-46.co.uk.
_spf0000006.tangocard.com. 172800 NS ns-257.awsdns-32.com.
_spf0000006.tangocard.com. 172800 NS ns-624.awsdns-14.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0