--- version: rssac002v4 service: a.root-servers.net start-period: '2022-09-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6049494401 dns-udp-queries-received-ipv6: 1540521815 dns-tcp-queries-received-ipv4: 336075040 dns-tcp-queries-received-ipv6: 68262097 dns-udp-responses-sent-ipv4: 5836515428 dns-udp-responses-sent-ipv6: 1524889767 dns-tcp-responses-sent-ipv4: 300038132 dns-tcp-responses-sent-ipv6: 62744757