Question and response
Question
dig spf-sigstr1.sigstr.com. TXT
Answer
spf-sigstr1.sigstr.com. 60 TXT "v=spf1 ip4:65.60.45.154 ip4:184.154.199.165 ip4:212.54.146.43 ip4:212.54.152.16 ip4:212.54.152.23 ~all"
Authority
sigstr.com. 172800 NS ns-1063.awsdns-04.org.
sigstr.com. 172800 NS ns-1703.awsdns-20.co.uk.
sigstr.com. 172800 NS ns-412.awsdns-51.com.
sigstr.com. 172800 NS ns-809.awsdns-37.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0