--- version: rssac002v3 service: j.root-servers.net start-period: '2018-09-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5623351790 dns-udp-queries-received-ipv6: 669112260 dns-tcp-queries-received-ipv4: 273363217 dns-tcp-queries-received-ipv6: 23453325 dns-udp-responses-sent-ipv4: 5406885122 dns-udp-responses-sent-ipv6: 667197515 dns-tcp-responses-sent-ipv4: 209415446 dns-tcp-responses-sent-ipv6: 23413350