Browse a database of public DNS nameservers reachable over IPv4 or IPv6.
Public DNS indexes
Browse an updated list of public DNS providers and their IPv4 and IPv6 resolver addresses.
About Public DNS indexes
Public DNS indexes provides a list of public DNS providers with their primary and secondary resolver addresses. The table includes IPv4 addresses for each entry and IPv6 addresses where available, with an update date of October 01, 2026.
It also explains that primary servers are sometimes called preferred servers and secondary servers are sometimes called alternate servers, and notes that addresses from different providers can be mixed for redundancy.
Key features
- Lists primary and secondary resolver addresses per provider
- Shows IPv4 addresses for listed DNS providers
- Shows IPv6 addresses where providers offer them
- Explains preferred and alternate DNS server terminology
- Notes mixing providers for additional redundancy
- Displays list update date for reference
Best for: People who need to look up public IPv4 and IPv6 resolver addresses to configure DNS settings.
Good for
- Free to access
- Includes both IPv4 and IPv6 resolver addresses where available
- Identifies list update date as October 01, 2026
Public DNS indexes at a glance
- Website
- publicdns.xyz
- Category
- Development › Web Directories & Curated Lists
- Type
- Website
- Pricing
- Free
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Public DNS indexes FAQ
What are other names for primary and secondary DNS servers?
Primary servers are sometimes called preferred servers and secondary servers are sometimes called alternate servers.
Can I use primary and secondary servers from different providers?
Yes, the site states they can be mixed and matched to provide another layer of redundancy.
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