hickory-resolver is used at run time in 123 crates (of which 59 optionally). It is a direct run-time dependency in 48 crates. It's used only as a dev dependency in 10 crates (of which 2 directly).

Depender (with downloads and own rev deps) hickory-resolver version
5.1M 8549 reqwest optional ^0.24
260K 6 libp2p-dns ^0.24.0
28K 13 async-std-resolver ^0.24.0
21K 3 shadowsocks optional ^0.24
6.8K reqwest-hickory-resolver ^0.24.0
17K 1 shadowsocks-service optional ^0.24
5.5K 2 mail-auth ^0.24
5.4K 1 hyper-hickory ^0.24
3.7K 1 nerum-core ^0.24
9.2K 6 hickory-server optional ^0.24.0
2.7K 10 iroh-net ^0.24.0
2.3K 7 sequoia-net ^0.24
6.5K 4 binstalk-downloader optional ^0.24.0
1.5K 1 rust-ipfs ^0.24.0
1.2K 2 external-ip ^0.24
1.1K oha ^0.24.0
3.2K 5 nodecraft optional ^0.24
900 2 csaf-walker ^0.24.0
800 volo-http ^0.24
600 trippy ^0.24.0
340 retina-record ^0.24.0
1.5K 6 agnostic optional ^0.24
1.3K 3 email-lib optional ^0.24
280 2 hickory-recursor ^0.24.0
260 portier_broker ^0.24.0
210 dkimdo ^0.24.0
180 dns-bench ^0.24.0
180 1 acme-validation-propagation ^0.24
170 hickory-util ^0.24.0
170 hyper-client-io-wizard ^0.24
160 3 netscan ^0.24
130 1 idns ^0.24.0
2 domainscan ^0.24
crab-hole ^0.24.0
fernglas ^0.24
tls-certificate-exporter ^0.24.0
realm_core ^0.24
nu_plugin_dns ^0.24.0
2 netprobe ^0.24
homestar-runtime ^0.24
1 rushmap-core ^0.24
sarascript ^0.24.0
450 2 viadkim optional ^0.24.0
440 5 veilid-core optional ^0.24.0
140 flytrap optional ^0.24
apisdk optional ^0.24
250 hickory-dns dev ^0.24.0
140 iroh-dns-server dev ^0.24.0
dns-mock-server dev ^0.24.0
dns-firewall dev ^0.24.0