--- version: rssac002v4 service: a.root-servers.net start-period: '2023-09-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6199421036 dns-udp-queries-received-ipv6: 1502167387 dns-tcp-queries-received-ipv4: 321675679 dns-tcp-queries-received-ipv6: 46140620 dns-udp-responses-sent-ipv4: 6059882749 dns-udp-responses-sent-ipv6: 1495166527 dns-tcp-responses-sent-ipv4: 313949365 dns-tcp-responses-sent-ipv6: 44849081