--- version: rssac002v4 service: a.root-servers.net start-period: '2022-12-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6270184593 dns-udp-queries-received-ipv6: 1944734183 dns-tcp-queries-received-ipv4: 344595550 dns-tcp-queries-received-ipv6: 111245799 dns-udp-responses-sent-ipv4: 6088806849 dns-udp-responses-sent-ipv6: 1938985681 dns-tcp-responses-sent-ipv4: 321617924 dns-tcp-responses-sent-ipv6: 110519933