--- version: rssac002v4 service: a.root-servers.net start-period: '2022-08-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6146940823 dns-udp-queries-received-ipv6: 1671039146 dns-tcp-queries-received-ipv4: 567626052 dns-tcp-queries-received-ipv6: 49014828 dns-udp-responses-sent-ipv4: 5645705686 dns-udp-responses-sent-ipv6: 1665501836 dns-tcp-responses-sent-ipv4: 381323972 dns-tcp-responses-sent-ipv6: 48295267