--- version: rssac002v3 service: j.root-servers.net start-period: '2018-01-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4566844775 dns-udp-queries-received-ipv6: 430713935 dns-tcp-queries-received-ipv4: 171551107 dns-tcp-queries-received-ipv6: 14710030 dns-udp-responses-sent-ipv4: 4469002932 dns-udp-responses-sent-ipv6: 429071470 dns-tcp-responses-sent-ipv4: 144512143 dns-tcp-responses-sent-ipv6: 14668500