--- version: rssac002v3 service: d.root-servers.net start-period: '2018-07-04T00:00:00Z' end-period: '2018-07-04T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4450475993 dns-udp-queries-received-ipv6: 577611861 dns-tcp-queries-received-ipv4: 170618727 dns-tcp-queries-received-ipv6: 16723287 dns-udp-responses-sent-ipv4: 4451195705 dns-udp-responses-sent-ipv6: 577405659 dns-tcp-responses-sent-ipv4: 170584047 dns-tcp-responses-sent-ipv6: 16720348