---
service: h.root-servers.net
metric: traffic-volume
version: rssac002v3
start-period: '2019-01-09T00:00:00Z'
dns-udp-queries-received-ipv4: 2193754989
dns-udp-queries-received-ipv6: 485996172
dns-tcp-queries-received-ipv4: 44602594
dns-tcp-queries-received-ipv6: 15572158
dns-udp-responses-sent-ipv4: 2190846790
dns-udp-responses-sent-ipv6: 485584377
dns-tcp-responses-sent-ipv4: 42163170
dns-tcp-responses-sent-ipv6: 14873601