--- version: rssac002v4 service: a.root-servers.net start-period: '2023-07-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6782083787 dns-udp-queries-received-ipv6: 1428257005 dns-tcp-queries-received-ipv4: 344480541 dns-tcp-queries-received-ipv6: 47009110 dns-udp-responses-sent-ipv4: 6616507749 dns-udp-responses-sent-ipv6: 1416136314 dns-tcp-responses-sent-ipv4: 325907767 dns-tcp-responses-sent-ipv6: 43093982