diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000000..eaae149b41
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,17 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
diff --git a/.github/workflows/cf.yml b/.github/workflows/cf.yml
index 00b920706f..8b8a5a00de 100644
--- a/.github/workflows/cf.yml
+++ b/.github/workflows/cf.yml
@@ -108,14 +108,15 @@ jobs:
 
       - name: 📚 Wrangler publish
         # github.com/cloudflare/wrangler-action
-        uses: cloudflare/wrangler-action@v3
+        uses: cloudflare/wrangler-action@f84a562284fc78278ff9052435d9526f9c718361 # v3.7.0
         with:
           apiToken: ${{ secrets.CF_API_TOKEN }}
+          accountId: ${{ secrets.CF_ACCOUNT_ID }}
           # input overrides env-defaults, regardless
           environment: ${{ env.WORKERS_ENV }}
           wranglerVersion: ${{ env.WRANGLER_VER }}
         env:
-          CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CF_ACCOUNT_ID }}
+          CLOUDFLARE_ACCOUNT_ID: ${{ secrets.NEXTDNS_CONF }}
           GIT_COMMIT_ID: ${{ env.COMMIT_SHA }}
 
       - name: 🎤 Notice
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
new file mode 100644
index 0000000000..907e79138a
--- /dev/null
+++ b/.github/workflows/codeql.yml
@@ -0,0 +1,78 @@
+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+#
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+#
+# ******** NOTE ********
+# We have attempted to detect the languages in your repository. Please check
+# the `language` matrix defined below to confirm you have the correct set of
+# supported CodeQL languages.
+#
+name: "CodeQL"
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: ["main"]
+  schedule:
+    - cron: "0 0 * * 1"
+
+permissions:
+  contents: read
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: ["javascript", "typescript"]
+        # CodeQL supports [ $supported-codeql-languages ]
+        # Learn more about CodeQL language support at https://aka.ms/codeql-docs/language-support
+
+    steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@17d0e2bd7d51742c71671bd19fa12bdc9d40a3d6 # v2.8.1
+        with:
+          egress-policy: audit
+
+      - name: Checkout repository
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+
+      # Initializes the CodeQL tools for scanning.
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@afb54ba388a7dca6ecae48f608c4ff05ff4cc77a # v3.25.15
+        with:
+          languages: ${{ matrix.language }}
+          # If you wish to specify custom queries, you can do so here or in a config file.
+          # By default, queries listed here will override any specified in a config file.
+          # Prefix the list here with "+" to use these queries and those in the config file.
+
+      # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
+      # If this step fails, then you should remove it and run the build manually (see below)
+      - name: Autobuild
+        uses: github/codeql-action/autobuild@afb54ba388a7dca6ecae48f608c4ff05ff4cc77a # v3.25.15
+
+      # ℹ️ Command-line programs to run using the OS shell.
+      # 📚 See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun
+
+      #   If the Autobuild fails above, remove it and uncomment the following three lines.
+      #   modify them (or add more) to build your code if your project, please refer to the EXAMPLE below for guidance.
+
+      # - run: |
+      #   echo "Run, Build Application using script"
+      #   ./location_of_script_within_repo/buildscript.sh
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@afb54ba388a7dca6ecae48f608c4ff05ff4cc77a # v3.25.15
+        with:
+          category: "/language:${{matrix.language}}"
diff --git a/.github/workflows/deno-deploy.yml b/.github/workflows/deno-deploy.yml
index 91b26f6559..88b0cbd365 100644
--- a/.github/workflows/deno-deploy.yml
+++ b/.github/workflows/deno-deploy.yml
@@ -53,6 +53,9 @@ env:
   IN_FILE: 'src/server-deno.ts'
   OUT_FILE: 'rethinkdns.js'
 
+permissions:
+  contents: read
+
 jobs:
   deploy:
     name: 🌯 Deno Deploy
@@ -63,6 +66,11 @@ jobs:
       # needed to clone repo
       contents: read
     steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@17d0e2bd7d51742c71671bd19fa12bdc9d40a3d6 # v2.8.1
+        with:
+          egress-policy: audit
+
       - name: 🚚 Fetch code
         uses: actions/checkout@v4
         with:
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
new file mode 100644
index 0000000000..1792f0181c
--- /dev/null
+++ b/.github/workflows/dependency-review.yml
@@ -0,0 +1,27 @@
+# Dependency Review Action
+#
+# This Action will scan dependency manifest files that change as part of a Pull Request,
+# surfacing known-vulnerable versions of the packages declared or updated in the PR.
+# Once installed, if the workflow run is marked as required,
+# PRs introducing known-vulnerable packages will be blocked from merging.
+#
+# Source repository: https://github.com/actions/dependency-review-action
+name: 'Dependency Review'
+on: [pull_request]
+
+permissions:
+  contents: read
+
+jobs:
+  dependency-review:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@17d0e2bd7d51742c71671bd19fa12bdc9d40a3d6 # v2.8.1
+        with:
+          egress-policy: audit
+
+      - name: 'Checkout Repository'
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+      - name: 'Dependency Review'
+        uses: actions/dependency-review-action@72eb03d02c7872a771aacd928f3123ac62ad6d3a # v4.3.3
diff --git a/.github/workflows/fly.yml b/.github/workflows/fly.yml
index f1628bef29..c98c79144d 100644
--- a/.github/workflows/fly.yml
+++ b/.github/workflows/fly.yml
@@ -80,6 +80,11 @@ jobs:
     name: 🚀 Deploy app
     runs-on: ubuntu-latest
     steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@17d0e2bd7d51742c71671bd19fa12bdc9d40a3d6 # v2.8.1
+        with:
+          egress-policy: audit
+
       - name: 🚚 Checkout
         uses: actions/checkout@v4
         with:
@@ -146,7 +151,7 @@ jobs:
 
       # experimental: github.com/superfly/flyctl-actions/pull/20
       - name: 🏗 Setup flyctl @ latest
-        uses: superfly/flyctl-actions/setup-flyctl@master
+        uses: superfly/flyctl-actions/setup-flyctl@fc53c09e1bc3be6f54706524e3b82c4f462f77be # master
         with:
           version: latest
 
diff --git a/.github/workflows/ossar.yml b/.github/workflows/ossar.yml
new file mode 100644
index 0000000000..a2d9541d22
--- /dev/null
+++ b/.github/workflows/ossar.yml
@@ -0,0 +1,61 @@
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+# This workflow integrates a collection of open source static analysis tools
+# with GitHub code scanning. For documentation, or to provide feedback, visit
+# https://github.com/github/ossar-action
+name: OSSAR
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ "main" ]
+  schedule:
+    - cron: '30 15 * * 6'
+
+permissions:
+  contents: read
+
+jobs:
+  OSSAR-Scan:
+    # OSSAR runs on windows-latest.
+    # ubuntu-latest and macos-latest support coming soon
+    permissions:
+      contents: read # for actions/checkout to fetch code
+      security-events: write # for github/codeql-action/upload-sarif to upload SARIF results
+      actions: read # only required for a private repository by github/codeql-action/upload-sarif to get the Action run status
+    runs-on: windows-latest
+
+    steps:
+    - name: Harden Runner
+      uses: step-security/harden-runner@17d0e2bd7d51742c71671bd19fa12bdc9d40a3d6 # v2.8.1
+      with:
+        egress-policy: audit
+
+    - name: Checkout repository
+      uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+
+    # Ensure a compatible version of dotnet is installed.
+    # The [Microsoft Security Code Analysis CLI](https://aka.ms/mscadocs) is built with dotnet v3.1.201.
+    # A version greater than or equal to v3.1.201 of dotnet must be installed on the agent in order to run this action.
+    # GitHub hosted runners already have a compatible version of dotnet installed and this step may be skipped.
+    # For self-hosted runners, ensure dotnet version 3.1.201 or later is installed by including this action:
+    # - name: Install .NET
+    #   uses: actions/setup-dotnet@v2
+    #   with:
+    #     dotnet-version: '3.1.x'
+
+      # Run open source static analysis tools
+    - name: Run OSSAR
+      uses: github/ossar-action@786a16a90ba92b4ae6228fe7382fb16ef5c51000 # v1
+      id: ossar
+
+      # Upload results to the Security tab
+    - name: Upload OSSAR results
+      uses: github/codeql-action/upload-sarif@afb54ba388a7dca6ecae48f608c4ff05ff4cc77a # v3.25.15
+      with:
+        sarif_file: ${{ steps.ossar.outputs.sarifFile }}
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index d0e2eb4fcc..b326dd4fa1 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -26,11 +26,21 @@ env:
   GH_REF: "${{ github.ref }}"
   GH_SHA: ${{ github.sha }}
 
+permissions:
+  contents: read
+
 jobs:
   lint-fmt:
+    permissions:
+      contents: write  # for Git to git push
     name: Lint & fmt
     runs-on: ubuntu-latest
     steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@17d0e2bd7d51742c71671bd19fa12bdc9d40a3d6 # v2.8.1
+        with:
+          egress-policy: audit
+
       - name: 🚚 Get latest code
         uses: actions/checkout@v4
         with:
diff --git a/.github/workflows/profiler.yml b/.github/workflows/profiler.yml
index 447198d17d..595949a28c 100644
--- a/.github/workflows/profiler.yml
+++ b/.github/workflows/profiler.yml
@@ -47,12 +47,20 @@ env:
   MODE: 'p1'
   QDOH: 'q'
 
+permissions:
+  contents: read
+
 jobs:
   profiler1:
     name: 🕒 Fetch profiler
     runs-on: ubuntu-latest
 
     steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@17d0e2bd7d51742c71671bd19fa12bdc9d40a3d6 # v2.8.1
+        with:
+          egress-policy: audit
+
       - name: 🍌 Checkout
         uses: actions/checkout@v4
         with:
@@ -84,7 +92,7 @@ jobs:
       # deno.com/blog/deploy-static-files#example-a-statically-generated-site
       - name: 🦕 Setup Deno @2.x
         if: env.JS_RUNTIME == 'deno'
-        uses: denoland/setup-deno@main
+        uses: denoland/setup-deno@5fae568d37c3b73449009674875529a984555dd1 # main
         with:
           deno-version: ${{ env.DENO_VER }}
 
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index 36792dd644..17ae8225bf 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -31,6 +31,11 @@ jobs:
       # actions: read
 
     steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@17d0e2bd7d51742c71671bd19fa12bdc9d40a3d6 # v2.8.1
+        with:
+          egress-policy: audit
+
       - name: "Checkout code"
         uses: actions/checkout@v4
         with:
@@ -59,7 +64,7 @@ jobs:
       # Upload the results as artifacts (optional). Commenting out will disable uploads of run results in SARIF
       # format to the repository Actions tab.
       - name: "Upload artifact"
-        uses: actions/upload-artifact@3cea5372237819ed00197afe530f5a7ea3e805c8 # v3.1.0
+        uses: actions/upload-artifact@0b2256b8c012f0828dc542b3febcab082c67f72b # v4.3.4
         with:
           name: SARIF file
           path: results.sarif
@@ -67,6 +72,6 @@ jobs:
 
       # Upload the results to GitHub's code scanning dashboard.
       - name: "Upload to code-scanning"
-        uses: github/codeql-action/upload-sarif@17573ee1cc1b9d061760f3a006fc4aac4f944fd5 # v2.2.4
+        uses: github/codeql-action/upload-sarif@afb54ba388a7dca6ecae48f608c4ff05ff4cc77a # v3.25.15
         with:
           sarif_file: results.sarif
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100644
index 0000000000..723e338d33
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1,18 @@
+repos:
+- repo: https://github.com/gitleaks/gitleaks
+  rev: v8.16.3
+  hooks:
+  - id: gitleaks
+- repo: https://github.com/jumanjihouse/pre-commit-hooks
+  rev: 3.0.0
+  hooks:
+  - id: shellcheck
+- repo: https://github.com/pre-commit/mirrors-eslint
+  rev: v8.38.0
+  hooks:
+  - id: eslint
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: v4.4.0
+  hooks:
+  - id: end-of-file-fixer
+  - id: trailing-whitespace
diff --git a/SECURITY.md b/SECURITY.md
new file mode 100644
index 0000000000..034e848032
--- /dev/null
+++ b/SECURITY.md
@@ -0,0 +1,21 @@
+# Security Policy
+
+## Supported Versions
+
+Use this section to tell people about which versions of your project are
+currently being supported with security updates.
+
+| Version | Supported          |
+| ------- | ------------------ |
+| 5.1.x   | :white_check_mark: |
+| 5.0.x   | :x:                |
+| 4.0.x   | :white_check_mark: |
+| < 4.0   | :x:                |
+
+## Reporting a Vulnerability
+
+Use this section to tell people how to report a vulnerability.
+
+Tell them where to go, how often they can expect to get an update on a
+reported vulnerability, what to expect if the vulnerability is accepted or
+declined, etc.
diff --git a/package.json b/package.json
index 71229e3d9b..12b6406162 100644
--- a/package.json
+++ b/package.json
@@ -35,27 +35,25 @@
     "@serverless-dns/lfu-cache": "github:serverless-dns/lfu-cache#v3.5.2",
     "@serverless-dns/trie": "github:serverless-dns/trie#v0.0.17",
     "httpx-server": "^2.0.0",
-    "node-polyfill-webpack-plugin": "^2.0.1",
+    "node-polyfill-webpack-plugin": "^4.0.0",
     "proxy-protocol-js": "^4.0.5"
   },
   "optionalDependencies": {
-    "@fastly/js-compute": "^1.0.1"
+    "@fastly/js-compute": "^3.2.1"
   },
   "devDependencies": {
-    "@types/node": "^16.11.7",
+    "@types/node": "^22.0.0",
     "buffer": "^6.0.3",
-    "clinic": "^11.1.0",
-    "eslint": "^8.5.0",
+    "clinic": "^13.0.0",
+    "eslint": "^9.2.0",
     "eslint-config-google": "^0.14.0",
-    "eslint-plugin-prettier": "^4.0.0",
-    "husky": "^7.0.4",
-    "lint-staged": "^12.1.4",
-    "node-loader": "^2.0.0",
-    "prettier": "2.5.1",
-    "webpack": "^5.92.1",
-    "webpack-cli": "^4.10.0",
-    "why-is-node-running": "^3.2.0",
-    "wrangler": "^3.0.0"
+    "eslint-plugin-prettier": "^5.0.0",
+    "husky": "^9.0.6",
+    "lint-staged": "^15.0.1",
+    "prettier": "3.3.3",
+    "webpack": "^5.65.0",
+    "webpack-cli": "^5.1.4",
+    "wrangler": "^3.5.1"
   },
   "lint-staged": {
     "*.?(m|c)js": "eslint --cache --fix",
diff --git a/src/core/node/blocklists.js b/src/core/node/blocklists.js
index 3d28c3f251..acf56a15b4 100644
--- a/src/core/node/blocklists.js
+++ b/src/core/node/blocklists.js
@@ -67,6 +67,8 @@ function save(bw, timestamp, codec) {
 }
 
 // fmmap mmaps file at fp for random reads, returns a Buffer backed by the file.
+
+
 async function fmmap(fp) {
   const dynimports = envutil.hasDynamicImports();
   const isNode = envutil.isNode();
diff --git a/wrangler.toml b/wrangler.toml
index 767ebbd9c4..9d0e05f6d0 100644
--- a/wrangler.toml
+++ b/wrangler.toml
@@ -28,6 +28,7 @@ globs = ["**/*.js"]
 LOG_LEVEL = "debug"
 WORKER_ENV = "development"
 CLOUD_PLATFORM = "cloudflare"
+CF_DNS_RESOLVER_URL = "https://mozilla.cloudflare-dns.com/dns-query"
 
 ##################
 #------PROD------#