feat(awc): replace trust dns by hickory dns (#3528)

Co-authored-by: Rob Ede <robjtede@icloud.com>

Cargo.lock

@@ -219,7 +219,7 @@ dependencies = [
  "bytes",
  "common-multipart-rfc7578",
  "futures-core",
- "thiserror",
+ "thiserror 1.0.69",
 ]
 
 [[package]]
@@ -644,6 +644,7 @@ dependencies = [
  "futures-core",
  "futures-util",
  "h2",
+ "hickory-resolver",
  "http 0.2.12",
  "itoa",
  "log",
@@ -663,7 +664,6 @@ dependencies = [
  "serde_urlencoded",
  "static_assertions",
  "tokio",
- "trust-dns-resolver",
  "zstd",
 ]
 
@@ -943,7 +943,7 @@ dependencies = [
  "mime",
  "mime_guess",
  "rand 0.8.5",
- "thiserror",
+ "thiserror 1.0.69",
 ]
 
 [[package]]
@@ -1057,6 +1057,12 @@ dependencies = [
  "itertools 0.10.5",
 ]
 
+[[package]]
+name = "critical-section"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "790eea4361631c5e7d22598ecd5723ff611904e3344ce8720784c93e3d83d40b"
+
 [[package]]
 name = "crossbeam-channel"
 version = "0.5.15"
@@ -1452,6 +1458,20 @@ dependencies = [
  "slab",
 ]
 
+[[package]]
+name = "generator"
+version = "0.8.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "605183a538e3e2a9c1038635cc5c2d194e2ee8fd0d1b66b8349fad7dbacce5a2"
+dependencies = [
+ "cc",
+ "cfg-if",
+ "libc",
+ "log",
+ "rustversion",
+ "windows",
+]
+
 [[package]]
 name = "generic-array"
 version = "0.14.7"
@@ -1554,6 +1574,52 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fc0fef456e4baa96da950455cd02c081ca953b141298e41db3fc7e36b1da849c"
 
+[[package]]
+name = "hickory-proto"
+version = "0.25.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8a6fe56c0038198998a6f217ca4e7ef3a5e51f46163bd6dd60b5c71ca6c6502"
+dependencies = [
+ "async-trait",
+ "cfg-if",
+ "data-encoding",
+ "enum-as-inner",
+ "futures-channel",
+ "futures-io",
+ "futures-util",
+ "idna",
+ "ipnet",
+ "once_cell",
+ "rand 0.9.2",
+ "ring 0.17.14",
+ "thiserror 2.0.16",
+ "tinyvec",
+ "tokio",
+ "tracing",
+ "url",
+]
+
+[[package]]
+name = "hickory-resolver"
+version = "0.25.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc62a9a99b0bfb44d2ab95a7208ac952d31060efc16241c87eaf36406fecf87a"
+dependencies = [
+ "cfg-if",
+ "futures-util",
+ "hickory-proto",
+ "ipconfig",
+ "moka",
+ "once_cell",
+ "parking_lot",
+ "rand 0.9.2",
+ "resolv-conf",
+ "smallvec",
+ "thiserror 2.0.16",
+ "tokio",
+ "tracing",
+]
+
 [[package]]
 name = "hkdf"
 version = "0.12.4"
@@ -1713,16 +1779,6 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
 
-[[package]]
-name = "idna"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d20d6b07bfbc108882d88ed8e37d39636dcc260e15e30c45e6ba089610b917c"
-dependencies = [
- "unicode-bidi",
- "unicode-normalization",
-]
-
 [[package]]
 name = "idna"
 version = "1.1.0"
@@ -1927,12 +1983,6 @@ dependencies = [
  "windows-targets 0.53.3",
 ]
 
-[[package]]
-name = "linked-hash-map"
-version = "0.5.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0717cef1bc8b636c6e1c1bbdefc09e6322da8a9321966e8928ef80d20f7f770f"
-
 [[package]]
 name = "linux-raw-sys"
 version = "0.4.15"
@@ -1985,12 +2035,25 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "34080505efa8e45a4b816c349525ebe327ceaa8559756f0356cba97ef3bf7432"
 
 [[package]]
-name = "lru-cache"
+name = "loom"
-version = "0.1.2"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "31e24f1ad8321ca0e8a1e0ac13f23cb668e6f5466c2c57319f6a5cf1cc8e3b1c"
+checksum = "419e0dc8046cb947daa77eb95ae174acfbddb7673b4151f56d1eed8e93fbfaca"
 dependencies = [
- "linked-hash-map",
+ "cfg-if",
+ "generator",
+ "scoped-tls",
+ "tracing",
+ "tracing-subscriber",
+]
+
+[[package]]
+name = "matchers"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d1525a2a28c7f4fa0fc98bb91ae755d1e2d1505079e05539e35bc876b5d65ae9"
+dependencies = [
+ "regex-automata",
 ]
 
 [[package]]
@@ -2042,6 +2105,25 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "moka"
+version = "0.12.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a9321642ca94a4282428e6ea4af8cc2ca4eac48ac7a6a4ea8f33f76d0ce70926"
+dependencies = [
+ "crossbeam-channel",
+ "crossbeam-epoch",
+ "crossbeam-utils",
+ "loom",
+ "parking_lot",
+ "portable-atomic",
+ "rustc_version",
+ "smallvec",
+ "tagptr",
+ "thiserror 1.0.69",
+ "uuid",
+]
+
 [[package]]
 name = "multer"
 version = "3.1.0"
@@ -2069,6 +2151,15 @@ dependencies = [
  "minimal-lexical",
 ]
 
+[[package]]
+name = "nu-ansi-term"
+version = "0.50.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d4a28e057d01f97e61255210fcff094d74ed0466038633e95017f5beb68e4399"
+dependencies = [
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "num-conv"
 version = "0.1.0"
@@ -2108,6 +2199,10 @@ name = "once_cell"
 version = "1.21.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "42f5e15c9953c5e4ccceeb2e7382a716482c34515315f7b03532b8b4e8393d2d"
+dependencies = [
+ "critical-section",
+ "portable-atomic",
+]
 
 [[package]]
 name = "once_cell_polyfill"
@@ -2544,6 +2639,15 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 
+[[package]]
+name = "rustc_version"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cfcb3a22ef46e85b45de6ee7e79d063319ebb6594faafcf1c225ea92ab6e9b92"
+dependencies = [
+ "semver",
+]
+
 [[package]]
 name = "rustix"
 version = "0.38.44"
@@ -2723,6 +2827,12 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "scoped-tls"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e1cf6437eb19a8f4a6cc0f7dca544973b0b78843adbfeb3683d1a94a0024a294"
+
 [[package]]
 name = "scopeguard"
 version = "1.2.0"
@@ -2762,6 +2872,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "semver"
+version = "1.0.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56e6fa9c48d24d85fb3de5ad847117517440f6beceb7798af16b4a87d616b8d0"
+
 [[package]]
 name = "serde"
 version = "1.0.219"
@@ -2846,6 +2962,15 @@ dependencies = [
  "digest",
 ]
 
+[[package]]
+name = "sharded-slab"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f40ca3c46823713e0d4209592e8d6e826aa57e928f09752619fc696c499637f6"
+dependencies = [
+ "lazy_static",
+]
+
 [[package]]
 name = "shlex"
 version = "1.3.0"
@@ -2961,6 +3086,12 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "tagptr"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b2093cf4c8eb1e67749a6762251bc9cd836b6fc171623bd0a9d324d37af2417"
+
 [[package]]
 name = "target-triple"
 version = "0.1.4"
@@ -3005,7 +3136,16 @@ version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
 dependencies = [
- "thiserror-impl",
+ "thiserror-impl 1.0.69",
+]
+
+[[package]]
+name = "thiserror"
+version = "2.0.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3467d614147380f2e4e374161426ff399c91084acd2363eaf549172b3d5e60c0"
+dependencies = [
+ "thiserror-impl 2.0.16",
 ]
 
 [[package]]
@@ -3019,6 +3159,26 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "thiserror-impl"
+version = "2.0.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c5e1be1c48b9172ee610da68fd9cd2770e7a4056cb3fc98710ee6906f0c7960"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "thread_local"
+version = "1.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f60246a4944f24f6e018aa17cdeffb7818b76356965d03b07d6a9886e8962185"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "time"
 version = "0.3.43"
@@ -3276,52 +3436,36 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b9d12581f227e93f094d3af2ae690a574abb8a2b9b7a96e7cfe9647b2b617678"
 dependencies = [
  "once_cell",
+ "valuable",
 ]
 
 [[package]]
-name = "trust-dns-proto"
+name = "tracing-log"
-version = "0.23.2"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3119112651c157f4488931a01e586aa459736e9d6046d3bd9105ffb69352d374"
+checksum = "ee855f1f400bd0e5c02d150ae5de3840039a3f54b025156404e34c23c03f47c3"
 dependencies = [
- "async-trait",
+ "log",
- "cfg-if",
- "data-encoding",
- "enum-as-inner",
- "futures-channel",
- "futures-io",
- "futures-util",
- "idna 0.4.0",
- "ipnet",
  "once_cell",
- "rand 0.8.5",
+ "tracing-core",
- "smallvec",
- "thiserror",
- "tinyvec",
- "tokio",
- "tracing",
- "url",
 ]
 
 [[package]]
-name = "trust-dns-resolver"
+name = "tracing-subscriber"
-version = "0.23.2"
+version = "0.3.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10a3e6c3aff1718b3c73e395d1f35202ba2ffa847c6a62eea0db8fb4cfe30be6"
+checksum = "2054a14f5307d601f88daf0553e1cbf472acc4f2c51afab632431cdcd72124d5"
 dependencies = [
- "cfg-if",
+ "matchers",
- "futures-util",
+ "nu-ansi-term",
- "ipconfig",
- "lru-cache",
  "once_cell",
- "parking_lot",
+ "regex-automata",
- "rand 0.8.5",
+ "sharded-slab",
- "resolv-conf",
  "smallvec",
- "thiserror",
+ "thread_local",
- "tokio",
  "tracing",
- "trust-dns-proto",
+ "tracing-core",
+ "tracing-log",
 ]
 
 [[package]]
@@ -3351,27 +3495,12 @@ version = "2.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "75b844d17643ee918803943289730bec8aac480150456169e647ed0b576ba539"
 
-[[package]]
-name = "unicode-bidi"
-version = "0.3.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c1cb5db39152898a79168971543b1cb5020dff7fe43c8dc468b0885f5e29df5"
-
 [[package]]
 name = "unicode-ident"
 version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5a5f39404a5da50712a4c1eecf25e90dd62b613502b7e925fd4e4d19b5c96512"
 
-[[package]]
-name = "unicode-normalization"
-version = "0.1.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5033c97c4262335cded6d6fc3e5c18ab755e1a3dc96376350f3d8e9f009ad956"
-dependencies = [
- "tinyvec",
-]
-
 [[package]]
 name = "unicode-xid"
 version = "0.2.6"
@@ -3407,7 +3536,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08bc136a29a3d1758e07a9cca267be308aeebf5cfd5a10f3f67ab2097683ef5b"
 dependencies = [
  "form_urlencoded",
- "idna 1.1.0",
+ "idna",
  "percent-encoding",
  "serde",
 ]
@@ -3424,12 +3553,29 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
+[[package]]
+name = "uuid"
+version = "1.18.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2f87b8aa10b915a06587d0dec516c282ff295b475d94abf425d62b57710070a2"
+dependencies = [
+ "getrandom 0.3.3",
+ "js-sys",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "v_htmlescape"
 version = "0.15.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4e8257fbc510f0a46eb602c10215901938b5c2a7d5e70fc11483b1d3c9b5b18c"
 
+[[package]]
+name = "valuable"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba73ea9cf16a25df0c8caa16c51acb937d5712a8429db78a3ee29d5dcacd3a65"
+
 [[package]]
 name = "vcpkg"
 version = "0.2.15"
@@ -3627,12 +3773,108 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "windows"
+version = "0.61.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9babd3a767a4c1aef6900409f85f5d53ce2544ccdfaa86dad48c91782c6d6893"
+dependencies = [
+ "windows-collections",
+ "windows-core",
+ "windows-future",
+ "windows-link",
+ "windows-numerics",
+]
+
+[[package]]
+name = "windows-collections"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3beeceb5e5cfd9eb1d76b381630e82c4241ccd0d27f1a39ed41b2760b255c5e8"
+dependencies = [
+ "windows-core",
+]
+
+[[package]]
+name = "windows-core"
+version = "0.61.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c0fdd3ddb90610c7638aa2b3a3ab2904fb9e5cdbecc643ddb3647212781c4ae3"
+dependencies = [
+ "windows-implement",
+ "windows-interface",
+ "windows-link",
+ "windows-result",
+ "windows-strings",
+]
+
+[[package]]
+name = "windows-future"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc6a41e98427b19fe4b73c550f060b59fa592d7d686537eebf9385621bfbad8e"
+dependencies = [
+ "windows-core",
+ "windows-link",
+ "windows-threading",
+]
+
+[[package]]
+name = "windows-implement"
+version = "0.60.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a47fddd13af08290e67f4acabf4b459f647552718f683a7b415d290ac744a836"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "windows-interface"
+version = "0.59.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd9211b69f8dcdfa817bfd14bf1c97c9188afa36f4750130fcdf3f400eca9fa8"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "windows-link"
 version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5e6ad25900d524eaabdbbb96d20b4311e1e7ae1699af4fb28c17ae66c80d798a"
 
+[[package]]
+name = "windows-numerics"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9150af68066c4c5c07ddc0ce30421554771e528bde427614c61038bc2c92c2b1"
+dependencies = [
+ "windows-core",
+ "windows-link",
+]
+
+[[package]]
+name = "windows-result"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56f42bd332cc6c8eac5af113fc0c1fd6a8fd2aa08a0119358686e5160d0586c6"
+dependencies = [
+ "windows-link",
+]
+
+[[package]]
+name = "windows-strings"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56e6c93f3a0c3b36176cb1327a4958a0353d5d166c2a35cb268ace15e91d3b57"
+dependencies = [
+ "windows-link",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.48.0"
@@ -3717,6 +3959,15 @@ dependencies = [
  "windows_x86_64_msvc 0.53.0",
 ]
 
+[[package]]
+name = "windows-threading"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b66463ad2e0ea3bbf808b7f1d371311c80e115c0b71d60efc142cafbcfb057a6"
+dependencies = [
+ "windows-link",
+]
+
 [[package]]
 name = "windows_aarch64_gnullvm"
 version = "0.48.5"

awc/CHANGES.md

@@ -2,6 +2,9 @@
 
 ## Unreleased
 
+- Add `hickory-dns` crate feature (off-by-default).
+- The `trust-dns` crate feature now delegates DNS resolution to `hickory-dns`.
+
 ## 3.7.0
 
 - Update `brotli` dependency to `8`.

awc/Cargo.toml

@@ -82,8 +82,10 @@ compress-zstd = ["actix-http/compress-zstd", "__compress"]
 # Cookie parsing and cookie jar
 cookies = ["dep:cookie"]
 
-# Use `trust-dns-resolver` crate as DNS resolver
+# Use `hickory-dns-resolver` crate as DNS resolver
-trust-dns = ["trust-dns-resolver"]
+hickory-dns = ["dep:hickory-resolver"]
+# Use `trust-dns-resolver` crate as DNS resolver (deprecated, use `hickory-dns`)
+trust-dns = ["hickory-dns"]
 
 # Internal (PRIVATE!) features used to aid testing and checking feature status.
 # Don't rely on these whatsoever. They may disappear at anytime.
@@ -129,7 +131,7 @@ tls-rustls-0_21 = { package = "rustls", version = "0.21", optional = true, featu
 tls-rustls-0_22 = { package = "rustls", version = "0.22", optional = true }
 tls-rustls-0_23 = { package = "rustls", version = "0.23", optional = true, default-features = false }
 
-trust-dns-resolver = { version = "0.23", optional = true }
+hickory-resolver = { version = "0.25", optional = true, features = ["system-config", "tokio"] }
 
 [dev-dependencies]
 actix-http = { version = "3.7", features = ["openssl"] }

awc/src/client/connector.rs

@@ -1037,7 +1037,7 @@ where
     }
 }
 
-#[cfg(not(feature = "trust-dns"))]
+#[cfg(not(feature = "hickory-dns"))]
 mod resolver {
     use super::*;
 
@@ -1046,24 +1046,25 @@ mod resolver {
     }
 }
 
-#[cfg(feature = "trust-dns")]
+#[cfg(feature = "hickory-dns")]
 mod resolver {
     use std::{cell::RefCell, net::SocketAddr};
 
     use actix_tls::connect::Resolve;
-    use trust_dns_resolver::{
+    use hickory_resolver::{
         config::{ResolverConfig, ResolverOpts},
+        name_server::TokioConnectionProvider,
         system_conf::read_system_conf,
-        TokioAsyncResolver,
+        TokioResolver,
     };
 
     use super::*;
 
     pub(super) fn resolver() -> Resolver {
         // new type for impl Resolve trait for TokioAsyncResolver.
-        struct TrustDnsResolver(TokioAsyncResolver);
+        struct HickoryDnsResolver(TokioResolver);
 
-        impl Resolve for TrustDnsResolver {
+        impl Resolve for HickoryDnsResolver {
             fn lookup<'a>(
                 &'a self,
                 host: &'a str,
@@ -1085,11 +1086,11 @@ mod resolver {
 
         // resolver struct is cached in thread local so new clients can reuse the existing instance
         thread_local! {
-            static TRUST_DNS_RESOLVER: RefCell<Option<Resolver>> = const { RefCell::new(None) };
+            static HICKORY_DNS_RESOLVER: RefCell<Option<Resolver>> = const { RefCell::new(None) };
         }
 
-        // get from thread local or construct a new trust-dns resolver.
+        // get from thread local or construct a new hickory dns resolver.
-        TRUST_DNS_RESOLVER.with(|local| {
+        HICKORY_DNS_RESOLVER.with(|local| {
             let resolver = local.borrow().as_ref().map(Clone::clone);
 
             match resolver {
@@ -1099,15 +1100,18 @@ mod resolver {
                     let (cfg, opts) = match read_system_conf() {
                         Ok((cfg, opts)) => (cfg, opts),
                         Err(err) => {
-                            log::error!("Trust-DNS can not load system config: {err}");
+                            log::error!("Hickory-DNS can not load system config: {err}");
                             (ResolverConfig::default(), ResolverOpts::default())
                         }
                     };
 
-                    let resolver = TokioAsyncResolver::tokio(cfg, opts);
+                    let resolver =
+                        TokioResolver::builder_with_config(cfg, TokioConnectionProvider::default())
+                            .with_options(opts)
+                            .build();
 
-                    // box trust dns resolver and put it in thread local.
+                    // box hickory dns resolver and put it in thread local
-                    let resolver = Resolver::custom(TrustDnsResolver(resolver));
+                    let resolver = Resolver::custom(HickoryDnsResolver(resolver));
                     *local.borrow_mut() = Some(resolver.clone());
 
                     resolver