--- version: rssac002v3 service: a.root-servers.net start-period: '2019-11-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6748972576 dns-udp-queries-received-ipv6: 1449157896 dns-tcp-queries-received-ipv4: 189712305 dns-tcp-queries-received-ipv6: 52150842 dns-udp-responses-sent-ipv4: 6578049985 dns-udp-responses-sent-ipv6: 1448400111 dns-tcp-responses-sent-ipv4: 186416065 dns-tcp-responses-sent-ipv6: 52367831