--- version: rssac002v3 service: i.root-servers.net start-period: '2018-02-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5365896390 dns-udp-queries-received-ipv6: 714116618 dns-tcp-queries-received-ipv4: 108837645 dns-tcp-queries-received-ipv6: 13962533 dns-udp-responses-sent-ipv4: 5419851774 dns-udp-responses-sent-ipv6: 710099380 dns-tcp-responses-sent-ipv4: 109567088 dns-tcp-responses-sent-ipv6: 13981353