--- version: rssac002v4 service: j.root-servers.net start-period: '2023-03-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7321363059 dns-udp-queries-received-ipv6: 1897254559 dns-tcp-queries-received-ipv4: 348375069 dns-tcp-queries-received-ipv6: 109371909 dns-udp-responses-sent-ipv4: 6870044963 dns-udp-responses-sent-ipv6: 1855048368 dns-tcp-responses-sent-ipv4: 245257302 dns-tcp-responses-sent-ipv6: 92668468