--- version: rssac002v3 service: i.root-servers.net start-period: '2018-09-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5580043804 dns-udp-queries-received-ipv6: 1068759889 dns-tcp-queries-received-ipv4: 135705258 dns-tcp-queries-received-ipv6: 26598175 dns-udp-responses-sent-ipv4: 5588745087 dns-udp-responses-sent-ipv6: 1071390055 dns-tcp-responses-sent-ipv4: 132540712 dns-tcp-responses-sent-ipv6: 25639199