--- version: rssac002v4 service: a.root-servers.net start-period: '2022-06-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5788073760 dns-udp-queries-received-ipv6: 1859813944 dns-tcp-queries-received-ipv4: 386323213 dns-tcp-queries-received-ipv6: 66725895 dns-udp-responses-sent-ipv4: 5500200157 dns-udp-responses-sent-ipv6: 1855223783 dns-tcp-responses-sent-ipv4: 316672825 dns-tcp-responses-sent-ipv6: 66063744