--- version: rssac002v4 service: a.root-servers.net start-period: '2023-06-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7104681018 dns-udp-queries-received-ipv6: 2045036356 dns-tcp-queries-received-ipv4: 466712821 dns-tcp-queries-received-ipv6: 153230348 dns-udp-responses-sent-ipv4: 6633513469 dns-udp-responses-sent-ipv6: 1753492374 dns-tcp-responses-sent-ipv4: 422074179 dns-tcp-responses-sent-ipv6: 117139592