--- version: rssac002v4 service: a.root-servers.net start-period: '2022-06-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5746034435 dns-udp-queries-received-ipv6: 1667939000 dns-tcp-queries-received-ipv4: 377408073 dns-tcp-queries-received-ipv6: 66128893 dns-udp-responses-sent-ipv4: 5460588579 dns-udp-responses-sent-ipv6: 1666394491 dns-tcp-responses-sent-ipv4: 306816012 dns-tcp-responses-sent-ipv6: 66227325