--- version: rssac002v3 service: d.root-servers.net start-period: '2018-03-21T00:00:00Z' end-period: '2018-03-21T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3717818833 dns-udp-queries-received-ipv6: 587608511 dns-tcp-queries-received-ipv4: 95744120 dns-tcp-queries-received-ipv6: 14985156 dns-udp-responses-sent-ipv4: 3716802765 dns-udp-responses-sent-ipv6: 587406654 dns-tcp-responses-sent-ipv4: 95714241 dns-tcp-responses-sent-ipv6: 14983528