Question and response
Question
dig _spf.paubox.com. TXT
Answer
_spf.paubox.com. 300 TXT "v=spf1 ip4:52.26.137.1 ip4:52.27.124.21 ip4:54.69.73.61 ip4:52.11.246.83 ip4:52.25.230.42 ip4:34.218.134.250 ip4:54.148.17.198 ip4:35.167.179.172 ip4:34.208.9.76 ip4:54.191.38.125 ip4:34.217.170.63 ip4:34.212.245.232 include:x.paubox.com -all"
Authority
paubox.com. 172800 NS ns-1114.awsdns-11.org.
paubox.com. 172800 NS ns-1972.awsdns-54.co.uk.
paubox.com. 172800 NS ns-222.awsdns-27.com.
paubox.com. 172800 NS ns-790.awsdns-34.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0