--- version: rssac002v3 service: a.root-servers.net start-period: '2021-10-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4579581416 dns-udp-queries-received-ipv6: 1069034332 dns-tcp-queries-received-ipv4: 264874904 dns-tcp-queries-received-ipv6: 107992683 dns-udp-responses-sent-ipv4: 4573727776 dns-udp-responses-sent-ipv6: 1087287697 dns-tcp-responses-sent-ipv4: 260145294 dns-tcp-responses-sent-ipv6: 109402514