--- version: rssac002v3 service: j.root-servers.net start-period: '2019-09-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7320139308 dns-udp-queries-received-ipv6: 1533764208 dns-tcp-queries-received-ipv4: 528763774 dns-tcp-queries-received-ipv6: 208896098 dns-udp-responses-sent-ipv4: 6845109220 dns-udp-responses-sent-ipv6: 1354158070 dns-tcp-responses-sent-ipv4: 400590432 dns-tcp-responses-sent-ipv6: 120627437