--- version: rssac002v4 service: j.root-servers.net start-period: '2022-04-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6071690863 dns-udp-queries-received-ipv6: 1428488916 dns-tcp-queries-received-ipv4: 417635411 dns-tcp-queries-received-ipv6: 50341941 dns-udp-responses-sent-ipv4: 5668258466 dns-udp-responses-sent-ipv6: 1409749665 dns-tcp-responses-sent-ipv4: 290473781 dns-tcp-responses-sent-ipv6: 50072958