--- version: rssac002v4 service: j.root-servers.net start-period: '2022-03-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6287880382 dns-udp-queries-received-ipv6: 1418131158 dns-tcp-queries-received-ipv4: 409431557 dns-tcp-queries-received-ipv6: 70626618 dns-udp-responses-sent-ipv4: 5869284798 dns-udp-responses-sent-ipv6: 1396208603 dns-tcp-responses-sent-ipv4: 277002631 dns-tcp-responses-sent-ipv6: 70288286