--- version: rssac002v3 service: d.root-servers.net start-period: '2018-12-16T00:00:00Z' end-period: '2018-12-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6032786075 dns-udp-queries-received-ipv6: 1384541153 dns-tcp-queries-received-ipv4: 350372949 dns-tcp-queries-received-ipv6: 45913017 dns-udp-responses-sent-ipv4: 6032814729 dns-udp-responses-sent-ipv6: 1384416728 dns-tcp-responses-sent-ipv4: 350211161 dns-tcp-responses-sent-ipv6: 45892336