--- version: rssac002v4 service: a.root-servers.net start-period: '2023-06-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5832922837 dns-udp-queries-received-ipv6: 1462626754 dns-tcp-queries-received-ipv4: 358057357 dns-tcp-queries-received-ipv6: 86576641 dns-udp-responses-sent-ipv4: 5683275755 dns-udp-responses-sent-ipv6: 1451247249 dns-tcp-responses-sent-ipv4: 349056525 dns-tcp-responses-sent-ipv6: 82458769