Question and response
Question
dig _spfv6.mailcloud.com.tw. TXT
Answer
_spfv6.mailcloud.com.tw. 300 TXT "v=spf1 ip6:2001:b034:0001:1601::/64 ip6:2001:b034:0001:1600:0501:0576:ffff:ff00/120 ip6:fe80::f03c:91ff:fe8a:29bc ~all"
Authority
mailcloud.com.tw. 172800 NS ns-1166.awsdns-17.org.
mailcloud.com.tw. 172800 NS ns-1873.awsdns-42.co.uk.
mailcloud.com.tw. 172800 NS ns-444.awsdns-55.com.
mailcloud.com.tw. 172800 NS ns-848.awsdns-42.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0