--- version: rssac002v3 service: d.root-servers.net start-period: '2018-07-28T00:00:00Z' end-period: '2018-07-28T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3804989524 dns-udp-queries-received-ipv6: 563086516 dns-tcp-queries-received-ipv4: 83844121 dns-tcp-queries-received-ipv6: 18929963 dns-udp-responses-sent-ipv4: 3805588691 dns-udp-responses-sent-ipv6: 562856604 dns-tcp-responses-sent-ipv4: 83755096 dns-tcp-responses-sent-ipv6: 18927456