--- version: rssac002v3 service: j.root-servers.net start-period: '2020-02-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9329643558 dns-udp-queries-received-ipv6: 1171498726 dns-tcp-queries-received-ipv4: 720935695 dns-tcp-queries-received-ipv6: 84798476 dns-udp-responses-sent-ipv4: 8595534161 dns-udp-responses-sent-ipv6: 1164952150 dns-tcp-responses-sent-ipv4: 518928696 dns-tcp-responses-sent-ipv6: 84352021