--- version: rssac002v4 service: a.root-servers.net start-period: '2022-08-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6022898965 dns-udp-queries-received-ipv6: 1555866520 dns-tcp-queries-received-ipv4: 353942742 dns-tcp-queries-received-ipv6: 47730192 dns-udp-responses-sent-ipv4: 5742055123 dns-udp-responses-sent-ipv6: 1551949384 dns-tcp-responses-sent-ipv4: 284007666 dns-tcp-responses-sent-ipv6: 47259532