--- version: rssac002v4 service: a.root-servers.net start-period: '2023-02-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7074832831 dns-udp-queries-received-ipv6: 2182455837 dns-tcp-queries-received-ipv4: 402369401 dns-tcp-queries-received-ipv6: 121238102 dns-udp-responses-sent-ipv4: 6510366278 dns-udp-responses-sent-ipv6: 1865668838 dns-tcp-responses-sent-ipv4: 337689345 dns-tcp-responses-sent-ipv6: 95039665