--- version: rssac002v3 service: i.root-servers.net start-period: '2016-09-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5437417404 dns-udp-queries-received-ipv6: 539497179 dns-tcp-queries-received-ipv4: 31119618 dns-tcp-queries-received-ipv6: 1503577 dns-udp-responses-sent-ipv4: 5377960745 dns-udp-responses-sent-ipv6: 539459863 dns-tcp-responses-sent-ipv4: 31862737 dns-tcp-responses-sent-ipv6: 1514939