--- version: rssac002v4 service: a.root-servers.net start-period: '2022-06-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7854143096 dns-udp-queries-received-ipv6: 2052586102 dns-tcp-queries-received-ipv4: 448643422 dns-tcp-queries-received-ipv6: 100885569 dns-udp-responses-sent-ipv4: 7503136635 dns-udp-responses-sent-ipv6: 2050909258 dns-tcp-responses-sent-ipv4: 346867330 dns-tcp-responses-sent-ipv6: 100845339