--- version: rssac002v4 service: a.root-servers.net start-period: '2022-03-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5526626318 dns-udp-queries-received-ipv6: 1560532389 dns-tcp-queries-received-ipv4: 304637873 dns-tcp-queries-received-ipv6: 90334562 dns-udp-responses-sent-ipv4: 5736882560 dns-udp-responses-sent-ipv6: 1587456131 dns-tcp-responses-sent-ipv4: 301498150 dns-tcp-responses-sent-ipv6: 90324317