--- version: rssac002v3 service: j.root-servers.net start-period: '2020-01-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9435397819 dns-udp-queries-received-ipv6: 1280945138 dns-tcp-queries-received-ipv4: 708329053 dns-tcp-queries-received-ipv6: 109207168 dns-udp-responses-sent-ipv4: 8744134618 dns-udp-responses-sent-ipv6: 1241980588 dns-tcp-responses-sent-ipv4: 509710847 dns-tcp-responses-sent-ipv6: 95573448