--- version: rssac002v3 service: i.root-servers.net start-period: '2021-08-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4670034116 dns-udp-queries-received-ipv6: 1047879223 dns-tcp-queries-received-ipv4: 559615618 dns-tcp-queries-received-ipv6: 137904369 dns-udp-responses-sent-ipv4: 4055455845 dns-udp-responses-sent-ipv6: 939274216 dns-tcp-responses-sent-ipv4: 545906806 dns-tcp-responses-sent-ipv6: 134478372