--- version: rssac002v4 service: a.root-servers.net start-period: '2022-09-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6498695606 dns-udp-queries-received-ipv6: 1765316091 dns-tcp-queries-received-ipv4: 643152150 dns-tcp-queries-received-ipv6: 52267818 dns-udp-responses-sent-ipv4: 5964141093 dns-udp-responses-sent-ipv6: 1761033606 dns-tcp-responses-sent-ipv4: 439166901 dns-tcp-responses-sent-ipv6: 52197122