--- version: rssac002v3 service: j.root-servers.net start-period: '2019-03-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6442283061 dns-udp-queries-received-ipv6: 1013706495 dns-tcp-queries-received-ipv4: 477226637 dns-tcp-queries-received-ipv6: 71892169 dns-udp-responses-sent-ipv4: 6063477986 dns-udp-responses-sent-ipv6: 972729650 dns-tcp-responses-sent-ipv4: 371404437 dns-tcp-responses-sent-ipv6: 52740913