Question and response
Question
dig _spf-txn.apple.com. TXT
Answer
_spf-txn.apple.com. 3600 TXT "v=spf1 ip4:17.151.1.0/24 ip4:17.171.37.0/24 ip4:17.111.110.0/23 ip4:17.23.6.0/24 ip4:17.132.110.0/24 ~all"
Authority
apple.com. 43200 NS a.ns.apple.com.
apple.com. 43200 NS b.ns.apple.com.
apple.com. 43200 NS c.ns.apple.com.
apple.com. 43200 NS d.ns.apple.com.
Additional
a.ns.apple.com. 43200 A 17.253.200.1
b.ns.apple.com. 43200 A 17.253.207.1
c.ns.apple.com. 43200 A 204.19.119.1
d.ns.apple.com. 43200 A 204.26.57.1
a.ns.apple.com. 43200 AAAA 2620:149:ae0:0:0:0:0:53
b.ns.apple.com. 43200 AAAA 2620:149:ae7:0:0:0:0:53
c.ns.apple.com. 43200 AAAA 2620:171:800:714:0:0:0:1
d.ns.apple.com. 43200 AAAA 2620:171:801:714:0:0:0:1
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0