--- version: rssac002v3 service: d.root-servers.net start-period: '2018-01-14T00:00:00Z' end-period: '2018-01-14T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3668310367 dns-udp-queries-received-ipv6: 537050890 dns-tcp-queries-received-ipv4: 75272880 dns-tcp-queries-received-ipv6: 12247999 dns-udp-responses-sent-ipv4: 3667289567 dns-udp-responses-sent-ipv6: 536878481 dns-tcp-responses-sent-ipv4: 75226580 dns-tcp-responses-sent-ipv6: 12245555