--- version: rssac002v4 service: j.root-servers.net start-period: '2022-04-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5950714832 dns-udp-queries-received-ipv6: 1630116289 dns-tcp-queries-received-ipv4: 415057577 dns-tcp-queries-received-ipv6: 64247295 dns-udp-responses-sent-ipv4: 5529980125 dns-udp-responses-sent-ipv6: 1617626001 dns-tcp-responses-sent-ipv4: 278676095 dns-tcp-responses-sent-ipv6: 64004126