--- version: rssac002v3 service: d.root-servers.net start-period: '2018-12-17T00:00:00Z' end-period: '2018-12-17T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6251960163 dns-udp-queries-received-ipv6: 1460179886 dns-tcp-queries-received-ipv4: 344466412 dns-tcp-queries-received-ipv6: 45224829 dns-udp-responses-sent-ipv4: 6251970721 dns-udp-responses-sent-ipv6: 1460070087 dns-tcp-responses-sent-ipv4: 344306362 dns-tcp-responses-sent-ipv6: 45204219