--- version: rssac002v4 service: a.root-servers.net start-period: '2022-02-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4667131458 dns-udp-queries-received-ipv6: 1164162690 dns-tcp-queries-received-ipv4: 266464517 dns-tcp-queries-received-ipv6: 56066629 dns-udp-responses-sent-ipv4: 4839478735 dns-udp-responses-sent-ipv6: 1183252006 dns-tcp-responses-sent-ipv4: 262595914 dns-tcp-responses-sent-ipv6: 56104361