--- version: rssac002v4 service: a.root-servers.net start-period: '2023-05-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7086962810 dns-udp-queries-received-ipv6: 2077528123 dns-tcp-queries-received-ipv4: 462290581 dns-tcp-queries-received-ipv6: 178141992 dns-udp-responses-sent-ipv4: 6600757188 dns-udp-responses-sent-ipv6: 1718860142 dns-tcp-responses-sent-ipv4: 397423604 dns-tcp-responses-sent-ipv6: 127708999