--- version: rssac002v4 service: a.root-servers.net start-period: '2023-07-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6302951852 dns-udp-queries-received-ipv6: 1615982465 dns-tcp-queries-received-ipv4: 338586909 dns-tcp-queries-received-ipv6: 87525360 dns-udp-responses-sent-ipv4: 6145350774 dns-udp-responses-sent-ipv6: 1601957058 dns-tcp-responses-sent-ipv4: 327732061 dns-tcp-responses-sent-ipv6: 83304984