--- version: rssac002v4 service: j.root-servers.net start-period: '2022-04-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5600699217 dns-udp-queries-received-ipv6: 1403028964 dns-tcp-queries-received-ipv4: 381702183 dns-tcp-queries-received-ipv6: 68662502 dns-udp-responses-sent-ipv4: 5233934603 dns-udp-responses-sent-ipv6: 1380646515 dns-tcp-responses-sent-ipv4: 258894692 dns-tcp-responses-sent-ipv6: 68514604