--- version: rssac002v4 service: a.root-servers.net start-period: '2023-03-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6988965781 dns-udp-queries-received-ipv6: 2126278662 dns-tcp-queries-received-ipv4: 425833810 dns-tcp-queries-received-ipv6: 121886424 dns-udp-responses-sent-ipv4: 6501944614 dns-udp-responses-sent-ipv6: 1856153343 dns-tcp-responses-sent-ipv4: 366100533 dns-tcp-responses-sent-ipv6: 97775172