--- version: rssac002v3 service: j.root-servers.net start-period: '2021-01-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6019943771 dns-udp-queries-received-ipv6: 1251527194 dns-tcp-queries-received-ipv4: 533503643 dns-tcp-queries-received-ipv6: 97165618 dns-udp-responses-sent-ipv4: 5563486195 dns-udp-responses-sent-ipv6: 1244420206 dns-tcp-responses-sent-ipv4: 382224289 dns-tcp-responses-sent-ipv6: 95804225