--- version: rssac002v4 service: a.root-servers.net start-period: '2023-02-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7009652893 dns-udp-queries-received-ipv6: 2157300843 dns-tcp-queries-received-ipv4: 388861566 dns-tcp-queries-received-ipv6: 120634858 dns-udp-responses-sent-ipv4: 6462509997 dns-udp-responses-sent-ipv6: 1844607666 dns-tcp-responses-sent-ipv4: 316601373 dns-tcp-responses-sent-ipv6: 93092409