--- version: rssac002v4 service: a.root-servers.net start-period: '2023-03-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6396154300 dns-udp-queries-received-ipv6: 2029179392 dns-tcp-queries-received-ipv4: 419300381 dns-tcp-queries-received-ipv6: 121114032 dns-udp-responses-sent-ipv4: 5865892763 dns-udp-responses-sent-ipv6: 1711739400 dns-tcp-responses-sent-ipv4: 354867092 dns-tcp-responses-sent-ipv6: 94529856