--- version: rssac002v4 service: a.root-servers.net start-period: '2023-01-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6051581607 dns-udp-queries-received-ipv6: 1633428100 dns-tcp-queries-received-ipv4: 367976004 dns-tcp-queries-received-ipv6: 100288616 dns-udp-responses-sent-ipv4: 5735085928 dns-udp-responses-sent-ipv6: 1518867734 dns-tcp-responses-sent-ipv4: 318615980 dns-tcp-responses-sent-ipv6: 82814634