--- version: rssac002v4 service: a.root-servers.net start-period: '2023-07-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6223327711 dns-udp-queries-received-ipv6: 1644419911 dns-tcp-queries-received-ipv4: 332758956 dns-tcp-queries-received-ipv6: 132135693 dns-udp-responses-sent-ipv4: 6072630348 dns-udp-responses-sent-ipv6: 1633501951 dns-tcp-responses-sent-ipv4: 322263647 dns-tcp-responses-sent-ipv6: 128919941