# Last tested and validated: October 2025

## Cloudflare
# Fast, privacy-focused DNS with no logging policy
1.0.0.1
1.1.1.1
1.0.0.2
1.1.1.2
1.0.0.3
1.1.1.3

## SafeDNS
# DNS filtering service with malware and content blocking
195.46.39.39
195.46.39.40

## OpenDNS
# Cisco-owned DNS service with content filtering
208.67.220.220
208.67.222.222
208.67.220.123
208.67.222.123

## DYN DNS
# Legacy DNS service, now part of Oracle
216.146.35.35
216.146.36.36

## Level3
# Legacy telecommunications DNS (now Lumen Technologies)
209.244.0.3
209.244.0.4
4.2.2.1
4.2.2.2
4.2.2.3
4.2.2.4
4.2.2.5

## Freenom World
# Free DNS service from domain registrar
80.80.80.80
80.80.81.81

## Google
# Google's public DNS service
8.8.4.4
8.8.8.8

## Quad9
# Security-focused DNS with malware blocking
9.9.9.9
9.9.9.10
9.9.9.11
149.112.112.112
149.112.112.10
149.112.112.11

## Verisign
# Enterprise-grade public DNS
64.6.64.6
64.6.65.6

## Comodo
# Cybersecurity company's DNS service
8.26.56.26
8.20.247.20

## Hurricane Electric
# Internet backbone provider's public DNS
74.82.42.42

## Yandex.DNS
# Russian search engine company's DNS service
77.88.8.88
77.88.8.2

## DNS4all
# European DNS service with focus on neutrality
194.0.5.3

## AdGuard DNS
# Ad-blocking DNS service with privacy protection
94.140.14.14
94.140.15.15
94.140.14.15
94.140.15.16

## Control D
# Customizable DNS service with filtering
76.76.2.11
76.76.10.11

## Wikimedia DNS (Formerly Wikidough)
# NOTE: Service discontinued (tested Sept 2025)
# 185.71.138.138

## NextDNS
# Highly customizable DNS service
45.90.28.157
45.90.30.157

## DNS4EU
# European Union's public DNS resolver
86.54.11.100
86.54.11.200

## DNS.SB
# Privacy-focused European DNS
185.222.222.222
45.11.45.11

## Mullvad DNS
# NOTE: Returns REFUSED - may require VPN subscription
# 194.242.2.2
# 194.242.2.3

## BlahDNS
# NOTE: Hobby project - intermittently available (tested Sept 2025)
# 78.46.244.143
# 178.82.102.190

## Alternate DNS
# NOTE: Not responding (tested Sept 2025)
# 76.76.19.19
# 76.223.100.101

## UncensoredDNS
# NOTE: Do53 not responding, but DoT works (tested Oct 2025)
89.233.43.71

## LibreDNS
# NOTE: Not responding (tested Sept 2025)
# 116.203.115.192
# 116.202.176.26

## Neustar DNS
# Enterprise-grade DNS with threat protection
156.154.70.1
156.154.71.1

## Dismail DNS
# Privacy-focused German DNS service
116.203.32.217

## Comcast DNS
# NOTE: Access restricted to Comcast customers only
# 75.75.75.75
# 75.75.76.76
