--- version: rssac002v4 service: j.root-servers.net start-period: '2023-05-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6487945768 dns-udp-queries-received-ipv6: 1774670246 dns-tcp-queries-received-ipv4: 286765626 dns-tcp-queries-received-ipv6: 101961298 dns-udp-responses-sent-ipv4: 6195139665 dns-udp-responses-sent-ipv6: 1745993449 dns-tcp-responses-sent-ipv4: 215213008 dns-tcp-responses-sent-ipv6: 89325586