Column

ODVR statistics

Resolver instances - Statistics of daily QPS averages for each resolver instance during the last 30 days before July 13, 2026

Server Max QPS Min QPS Trend Average
b-03 2 870 1 819 2 346
r-01 2 856 1 820 2 336
b-01 2 939 653 2 298
b-02 4 049 172 1 793
s-02 3 223 1 075 1 597
b-04 3 055 1 022 1 587
s-01 2 610 0 1 006
r-02 3 036 3 783

Return codes - Statistics of daily QPS averages for queries responded with a given RCODE during the last 30 days before July 13, 2026

RCODE Max QPS Min QPS Trend Average
NoError 18 461 5 958 9 800
NXDomain 2 630 1 078 1 704
ServFail 2 003 294 595
Refused 114 38 73
NotImp 276 0 67
YXDomain 0 0 0

Query types - Statistics of daily QPS averages for queries with a given QTYPE during the last 30 days before July 13, 2026

QTYPE Max QPS Min QPS Trend Average
A 9 774 3 996 6 311
AAAA 3 640 1 211 1 832
PTR 972 559 731
NS 2 161 273 582
Other 753 312 559
MX 1 602 26 339
CNAME 2 450 66 254
TXT 1 125 51 247
ANY 715 1 194

Top domains

Top 1000 domains by client cardinality magnitude on July 12, 2026

DNS magnitude is a number in the range 0–10 expressing “popularity” of a domain based on client cardinality (number of unique client IP addresses). For details see Mayrhofer et al. (2000).

Column

Transport protocols

Daily QPS averages for transport protocols

IP versions

Daily QPS averages for IPv4 and IPv6