--- version: rssac002v4 service: a.root-servers.net start-period: '2022-07-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5722435735 dns-udp-queries-received-ipv6: 1852042114 dns-tcp-queries-received-ipv4: 374500105 dns-tcp-queries-received-ipv6: 52507687 dns-udp-responses-sent-ipv4: 5348266539 dns-udp-responses-sent-ipv6: 1845387847 dns-tcp-responses-sent-ipv4: 303814641 dns-tcp-responses-sent-ipv6: 51849003