--- version: rssac002v3 service: i.root-servers.net start-period: '2018-05-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4733360155 dns-udp-queries-received-ipv6: 779552916 dns-tcp-queries-received-ipv4: 123911565 dns-tcp-queries-received-ipv6: 14919336 dns-udp-responses-sent-ipv4: 4777572459 dns-udp-responses-sent-ipv6: 782311446 dns-tcp-responses-sent-ipv4: 122970337 dns-tcp-responses-sent-ipv6: 14947919