--- version: rssac002v3 service: i.root-servers.net start-period: '2019-07-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 95198903 dns-udp-queries-received-ipv6: 21215479 dns-tcp-queries-received-ipv4: 1990529 dns-tcp-queries-received-ipv6: 44568 dns-udp-responses-sent-ipv4: 100465908 dns-udp-responses-sent-ipv6: 21215472 dns-tcp-responses-sent-ipv4: 2024460 dns-tcp-responses-sent-ipv6: 44638