--- version: rssac002v4 service: a.root-servers.net start-period: '2023-09-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6314727328 dns-udp-queries-received-ipv6: 1656130354 dns-tcp-queries-received-ipv4: 316619630 dns-tcp-queries-received-ipv6: 51455150 dns-udp-responses-sent-ipv4: 6167515127 dns-udp-responses-sent-ipv6: 1640721716 dns-tcp-responses-sent-ipv4: 308451517 dns-tcp-responses-sent-ipv6: 45910461