--- version: rssac002v3 service: d.root-servers.net start-period: '2018-05-28T00:00:00Z' end-period: '2018-05-28T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4464283805 dns-udp-queries-received-ipv6: 642638337 dns-tcp-queries-received-ipv4: 195316315 dns-tcp-queries-received-ipv6: 15425774 dns-udp-responses-sent-ipv4: 4464483585 dns-udp-responses-sent-ipv6: 642536890 dns-tcp-responses-sent-ipv4: 195289552 dns-tcp-responses-sent-ipv6: 15425347