1. whois
list.waseda.jp. 21600 IN TXT "v=spf1 +ip4:202.247.83.64/27 +ip4:133.9.73.160/27 +ip4:202.225.188.128/27 +ip4:52.69.42.197 +ip4:52.193.5.102 +ip4:52.69.61.63 +ip4:133.9.220.70 +a:mail-sender-w3dm.hue.worksap.com +ip4:42.125.198.254" " +ip4:150.99.196.146 +ip4:110.50.91.148 +ip4:20.194.173.33" " +ip4:133.9.4.147 +ip4:133.9.4.146 +ip4:133.9.4.145 +ip4:133.9.4.175 +ip4:133.9.3.250 +ip4:133.9.4.15 +ip4:133.9.4.16 +ip4:133.9.5.14" " include:spf.protection.outlook.com" " include:_spf.salesforce.com" " include:webcas.net include:spf0070.mediagalaxy.ne.jp include:www.digi-mel.jp +ip4:114.179.13.209 +ip4:114.160.68.146 +ip4:153.126.196.98 include:_spf.qualtrics.com +a:mail-relay-aws-ap-southeast.blackboard.com ~all"
2. history
;_dmarc.list.waseda.jp. IN TXT NXDOMAIN