Question and response
Question
dig _spf.mailcloud.com.tw. TXT
Answer
_spf.mailcloud.com.tw. 300 TXT "v=spf1 include:_spfv4.mailcloud.com.tw include:_spfv6.mailcloud.com.tw ~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