Column

ODVR statistics

Resolver instances - Statistics of daily QPS averages for each resolver instance during the last 30 days before March 15, 2025

Server Max QPS Min QPS Trend Average
s-01 4 491 3 186 3 981
b-01 4 408 3 143 3 959
r-01 3 365 1 651 2 235
b-02 2 294 682 1 966

Return codes - Statistics of daily QPS averages for queries responded with a given RCODE during the last 30 days before March 15, 2025

RCODE Max QPS Min QPS Trend Average
NoError 11 476 7 851 10 283
NXDomain 1 546 1 027 1 283
ServFail 400 250 316
Refused 154 28 127
NotImp 5 0 1
YXDomain 0 0 0

Query types - Statistics of daily QPS averages for queries with a given QTYPE during the last 30 days before March 15, 2025

QTYPE Max QPS Min QPS Trend Average
A 7 481 5 161 6 588
AAAA 1 828 1 478 1 716
PTR 677 482 594
NS 650 422 579
Other 523 319 450
DS 460 313 397
TXT 108 48 62
MX 81 20 35

Top domains

Top 1000 domains by client cardinality magnitude on March 14, 2025

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