--- version: rssac002v4 service: a.root-servers.net start-period: '2022-06-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5707947010 dns-udp-queries-received-ipv6: 1611904494 dns-tcp-queries-received-ipv4: 356009734 dns-tcp-queries-received-ipv6: 60927518 dns-udp-responses-sent-ipv4: 5449792536 dns-udp-responses-sent-ipv6: 1610148278 dns-tcp-responses-sent-ipv4: 307636746 dns-tcp-responses-sent-ipv6: 61022542