--- version: rssac002v4 service: a.root-servers.net start-period: '2023-02-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7078022092 dns-udp-queries-received-ipv6: 2100231070 dns-tcp-queries-received-ipv4: 432099570 dns-tcp-queries-received-ipv6: 118952393 dns-udp-responses-sent-ipv4: 6411365629 dns-udp-responses-sent-ipv6: 1803314842 dns-tcp-responses-sent-ipv4: 348946490 dns-tcp-responses-sent-ipv6: 92599976