--- version: rssac002v3 service: d.root-servers.net start-period: '2019-01-03T00:00:00Z' end-period: '2019-01-03T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6280376140 dns-udp-queries-received-ipv6: 1458747663 dns-tcp-queries-received-ipv4: 371789719 dns-tcp-queries-received-ipv6: 47507073 dns-udp-responses-sent-ipv4: 6280367722 dns-udp-responses-sent-ipv6: 1458620465 dns-tcp-responses-sent-ipv4: 371511329 dns-tcp-responses-sent-ipv6: 47472980