--- version: rssac002v3 service: a.root-servers.net start-period: '2017-05-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4181529715 dns-udp-queries-received-ipv6: 395650076 dns-tcp-queries-received-ipv4: 172087777 dns-tcp-queries-received-ipv6: 8403179 dns-udp-responses-sent-ipv4: 4179858039 dns-udp-responses-sent-ipv6: 395420057 dns-tcp-responses-sent-ipv4: 172118997 dns-tcp-responses-sent-ipv6: 8514073