Question and response
Question
dig spf2.sakura.ad.jp. TXT
Answer
spf2.sakura.ad.jp. 3600 TXT "v=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com ip4:59.106.146.8 ~all"
Authority
sakura.ad.jp. 3600 NS ns1.dns.ne.jp.
sakura.ad.jp. 3600 NS ns2.dns.ne.jp.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0