--- version: rssac002v3 service: j.root-servers.net start-period: '2019-05-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7369397578 dns-udp-queries-received-ipv6: 1289126100 dns-tcp-queries-received-ipv4: 662092920 dns-tcp-queries-received-ipv6: 71874901 dns-udp-responses-sent-ipv4: 6719072428 dns-udp-responses-sent-ipv6: 1245470628 dns-tcp-responses-sent-ipv4: 475050954 dns-tcp-responses-sent-ipv6: 52294003