--- version: rssac002v4 service: a.root-servers.net start-period: '2023-06-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7121517440 dns-udp-queries-received-ipv6: 2087632024 dns-tcp-queries-received-ipv4: 474643176 dns-tcp-queries-received-ipv6: 151565467 dns-udp-responses-sent-ipv4: 6656636679 dns-udp-responses-sent-ipv6: 1785067720 dns-tcp-responses-sent-ipv4: 425020055 dns-tcp-responses-sent-ipv6: 113358632