--- version: rssac002v3 service: i.root-servers.net start-period: '2018-05-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5381055062 dns-udp-queries-received-ipv6: 787754868 dns-tcp-queries-received-ipv4: 127380736 dns-tcp-queries-received-ipv6: 18912835 dns-udp-responses-sent-ipv4: 5375947922 dns-udp-responses-sent-ipv6: 787582352 dns-tcp-responses-sent-ipv4: 125238821 dns-tcp-responses-sent-ipv6: 18653710