--- version: rssac002v4 service: j.root-servers.net start-period: '2022-03-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6194812242 dns-udp-queries-received-ipv6: 1392188519 dns-tcp-queries-received-ipv4: 397384054 dns-tcp-queries-received-ipv6: 51849661 dns-udp-responses-sent-ipv4: 5793937167 dns-udp-responses-sent-ipv6: 1384620174 dns-tcp-responses-sent-ipv4: 266450679 dns-tcp-responses-sent-ipv6: 51731808