--- version: rssac002v3 service: j.root-servers.net start-period: '2019-08-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7683369618 dns-udp-queries-received-ipv6: 1647115214 dns-tcp-queries-received-ipv4: 520787034 dns-tcp-queries-received-ipv6: 245440957 dns-udp-responses-sent-ipv4: 7219358234 dns-udp-responses-sent-ipv6: 1440733362 dns-tcp-responses-sent-ipv4: 382729183 dns-tcp-responses-sent-ipv6: 144802446