--- version: rssac002v4 service: a.root-servers.net start-period: '2023-04-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7329645138 dns-udp-queries-received-ipv6: 2501271912 dns-tcp-queries-received-ipv4: 463190202 dns-tcp-queries-received-ipv6: 183677638 dns-udp-responses-sent-ipv4: 6717960532 dns-udp-responses-sent-ipv6: 2058322371 dns-tcp-responses-sent-ipv4: 404788870 dns-tcp-responses-sent-ipv6: 135344981