--- version: rssac002v3 service: j.root-servers.net start-period: '2019-06-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7379091462 dns-udp-queries-received-ipv6: 1258456261 dns-tcp-queries-received-ipv4: 543680219 dns-tcp-queries-received-ipv6: 79824677 dns-udp-responses-sent-ipv4: 6787296087 dns-udp-responses-sent-ipv6: 1210524471 dns-tcp-responses-sent-ipv4: 396071913 dns-tcp-responses-sent-ipv6: 56750141