--- version: rssac002v4 service: a.root-servers.net start-period: '2023-09-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7056782573 dns-udp-queries-received-ipv6: 1687241890 dns-tcp-queries-received-ipv4: 326585958 dns-tcp-queries-received-ipv6: 48092693 dns-udp-responses-sent-ipv4: 6881506078 dns-udp-responses-sent-ipv6: 1671197346 dns-tcp-responses-sent-ipv4: 314422718 dns-tcp-responses-sent-ipv6: 42693628