--- version: rssac002v3 service: j.root-servers.net start-period: '2019-03-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7374497636 dns-udp-queries-received-ipv6: 1079260968 dns-tcp-queries-received-ipv4: 471321882 dns-tcp-queries-received-ipv6: 132945053 dns-udp-responses-sent-ipv4: 6954786727 dns-udp-responses-sent-ipv6: 984541288 dns-tcp-responses-sent-ipv4: 366415604 dns-tcp-responses-sent-ipv6: 85483472