--- version: rssac002v3 service: i.root-servers.net start-period: '2018-02-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5447367889 dns-udp-queries-received-ipv6: 761787394 dns-tcp-queries-received-ipv4: 102072714 dns-tcp-queries-received-ipv6: 14932332 dns-udp-responses-sent-ipv4: 5464982738 dns-udp-responses-sent-ipv6: 757828832 dns-tcp-responses-sent-ipv4: 103165725 dns-tcp-responses-sent-ipv6: 14968421