--- version: rssac002v3 service: j.root-servers.net start-period: '2018-05-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5248750901 dns-udp-queries-received-ipv6: 405687577 dns-tcp-queries-received-ipv4: 291042456 dns-tcp-queries-received-ipv6: 17834622 dns-udp-responses-sent-ipv4: 5051965085 dns-udp-responses-sent-ipv6: 404217167 dns-tcp-responses-sent-ipv4: 212151420 dns-tcp-responses-sent-ipv6: 17924963