--- version: rssac002v4 service: a.root-servers.net start-period: '2022-09-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6795433195 dns-udp-queries-received-ipv6: 1874406924 dns-tcp-queries-received-ipv4: 575898448 dns-tcp-queries-received-ipv6: 65301031 dns-udp-responses-sent-ipv4: 6323607683 dns-udp-responses-sent-ipv6: 1853422131 dns-tcp-responses-sent-ipv4: 415200453 dns-tcp-responses-sent-ipv6: 61993898