--- version: rssac002v3 service: d.root-servers.net start-period: '2018-12-28T00:00:00Z' end-period: '2018-12-28T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6213005940 dns-udp-queries-received-ipv6: 1438271178 dns-tcp-queries-received-ipv4: 392872585 dns-tcp-queries-received-ipv6: 41029680 dns-udp-responses-sent-ipv4: 6213126950 dns-udp-responses-sent-ipv6: 1438078565 dns-tcp-responses-sent-ipv4: 392521229 dns-tcp-responses-sent-ipv6: 41000284