--- version: rssac002v4 service: a.root-servers.net start-period: '2023-03-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6815258480 dns-udp-queries-received-ipv6: 2178177487 dns-tcp-queries-received-ipv4: 435140911 dns-tcp-queries-received-ipv6: 116110166 dns-udp-responses-sent-ipv4: 6312873628 dns-udp-responses-sent-ipv6: 1882934460 dns-tcp-responses-sent-ipv4: 380191454 dns-tcp-responses-sent-ipv6: 91834844