1. whois
dwango.co.jp. 300 IN NS ns-1182.awsdns-19.org. dwango.co.jp. 300 IN NS ns-1653.awsdns-14.co.uk. dwango.co.jp. 300 IN NS ns-404.awsdns-50.com. dwango.co.jp. 300 IN NS ns-622.awsdns-13.net. dwango.co.jp. 300 IN A 216.239.36.21 dwango.co.jp. 300 IN A 216.239.32.21 dwango.co.jp. 300 IN A 216.239.38.21 dwango.co.jp. 300 IN A 216.239.34.21
2. history
dwango.co.jp. 300 IN TXT "v=spf1 +ip4:103.115.217.55/32 +ip4:61.113.104.0/24 +ip4:124.146.170.8/32 +ip4:124.146.170.9/32 +ip4:203.174.79.94/32 +ip4:133.152.0.0/17 +ip4:52.197.205.21/32 +ip4:124.146.170.8/31 +ip4:54.168.106.113 +ip4:13.112.25.112 " "include:mail.zendesk.com include:spf.smktg.jp include:_spf.google.com include:spf.eco-serv.jp include:_spf.bownow.jp -all"