---
service: h.root-servers.net
metric: traffic-volume
version: rssac002v3
start-period: '2019-12-19T00:00:00Z'
dns-udp-queries-received-ipv4: 3656082182
dns-udp-queries-received-ipv6: 835031836
dns-tcp-queries-received-ipv4: 148689424
dns-tcp-queries-received-ipv6: 62204818
dns-udp-responses-sent-ipv4: 3509078502
dns-udp-responses-sent-ipv6: 811135373
dns-tcp-responses-sent-ipv4: 134365595
dns-tcp-responses-sent-ipv6: 60964230
