--- version: rssac002v4 service: a.root-servers.net start-period: '2023-07-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6851983047 dns-udp-queries-received-ipv6: 1529062672 dns-tcp-queries-received-ipv4: 341262448 dns-tcp-queries-received-ipv6: 49492597 dns-udp-responses-sent-ipv4: 6673144635 dns-udp-responses-sent-ipv6: 1517123344 dns-tcp-responses-sent-ipv4: 327755443 dns-tcp-responses-sent-ipv6: 46119358