--- version: rssac002v3 service: j.root-servers.net start-period: '2019-12-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8236646442 dns-udp-queries-received-ipv6: 1327206282 dns-tcp-queries-received-ipv4: 451878933 dns-tcp-queries-received-ipv6: 120031689 dns-udp-responses-sent-ipv4: 7714548476 dns-udp-responses-sent-ipv6: 1268479297 dns-tcp-responses-sent-ipv4: 368835660 dns-tcp-responses-sent-ipv6: 101070182