--- version: rssac002v4 service: a.root-servers.net start-period: '2023-03-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6684797434 dns-udp-queries-received-ipv6: 2099906774 dns-tcp-queries-received-ipv4: 402453314 dns-tcp-queries-received-ipv6: 132265696 dns-udp-responses-sent-ipv4: 6145592623 dns-udp-responses-sent-ipv6: 1783463283 dns-tcp-responses-sent-ipv4: 336099575 dns-tcp-responses-sent-ipv6: 105022855