--- version: rssac002v3 service: i.root-servers.net start-period: '2018-07-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5740486204 dns-udp-queries-received-ipv6: 990812071 dns-tcp-queries-received-ipv4: 144570219 dns-tcp-queries-received-ipv6: 21201108 dns-udp-responses-sent-ipv4: 5708012908 dns-udp-responses-sent-ipv6: 989435915 dns-tcp-responses-sent-ipv4: 141544934 dns-tcp-responses-sent-ipv6: 21014991