--- version: rssac002v4 service: a.root-servers.net start-period: '2024-05-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8471568792 dns-udp-queries-received-ipv6: 1490302595 dns-tcp-queries-received-ipv4: 340180045 dns-tcp-queries-received-ipv6: 40123044 dns-udp-responses-sent-ipv4: 8313794479 dns-udp-responses-sent-ipv6: 1486629116 dns-tcp-responses-sent-ipv4: 321795574 dns-tcp-responses-sent-ipv6: 40196875