--- version: rssac002v3 service: d.root-servers.net start-period: '2019-07-19T00:00:00Z' end-period: '2019-07-19T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7990396349 dns-udp-queries-received-ipv6: 1820262337 dns-tcp-queries-received-ipv4: 442027774 dns-tcp-queries-received-ipv6: 57773485 dns-udp-responses-sent-ipv4: 7990360249 dns-udp-responses-sent-ipv6: 1819685290 dns-tcp-responses-sent-ipv4: 441351098 dns-tcp-responses-sent-ipv6: 57696577