--- version: rssac002v3 service: j.root-servers.net start-period: '2019-05-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7336271572 dns-udp-queries-received-ipv6: 1293068191 dns-tcp-queries-received-ipv4: 660987593 dns-tcp-queries-received-ipv6: 71968002 dns-udp-responses-sent-ipv4: 6692973950 dns-udp-responses-sent-ipv6: 1249345368 dns-tcp-responses-sent-ipv4: 472170541 dns-tcp-responses-sent-ipv6: 51998540