--- version: rssac002v4 service: a.root-servers.net start-period: '2022-05-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5191382713 dns-udp-queries-received-ipv6: 1734194400 dns-tcp-queries-received-ipv4: 323727258 dns-tcp-queries-received-ipv6: 87992492 dns-udp-responses-sent-ipv4: 5044189887 dns-udp-responses-sent-ipv6: 1738823251 dns-tcp-responses-sent-ipv4: 301987375 dns-tcp-responses-sent-ipv6: 87896841