--- version: rssac002v3 service: a.root-servers.net start-period: '2019-09-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6179775284 dns-udp-queries-received-ipv6: 1237671884 dns-tcp-queries-received-ipv4: 190367320 dns-tcp-queries-received-ipv6: 54030301 dns-udp-responses-sent-ipv4: 6027291519 dns-udp-responses-sent-ipv6: 1237068636 dns-tcp-responses-sent-ipv4: 185884825 dns-tcp-responses-sent-ipv6: 54935782