--- version: rssac002v3 service: d.root-servers.net start-period: '2018-06-22T00:00:00Z' end-period: '2018-06-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4915343476 dns-udp-queries-received-ipv6: 581514220 dns-tcp-queries-received-ipv4: 187108646 dns-tcp-queries-received-ipv6: 18156483 dns-udp-responses-sent-ipv4: 4916147799 dns-udp-responses-sent-ipv6: 581266059 dns-tcp-responses-sent-ipv4: 187041394 dns-tcp-responses-sent-ipv6: 18152150