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33 lines
904 B
Markdown
33 lines
904 B
Markdown
---
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layout: null
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permalink: /n/dns.html
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sitemap: false
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---
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# DNS notes
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For DNS resolvers, refer to [r/resolv.tsv](/r/resolv.tsv)
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## Identifying DNS resolver
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- [DNS-OARC's Check My DNS](https://cmdns.dev.dns-oarc.net/) - popup under "Network".
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- [dnsleaktest](https://dnsleaktest.com/)
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- [whatsmydnsserver](http://www.whatsmydnsserver.com/)
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- [ipleak.net](https://ipleak.net/)
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- [dnsadblock](https://dnsadblock.com/dns-leak-test/)
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The above list is based on [redirect2me/which-dns README alternatives section](https://github.com/redirect2me/which-dns/blob/main/README.md)
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## Identifying support for client-subnet
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Or what is being sent to the authoritative servers.
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```bash
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dig +short TXT o-o.myaddr.l.google.com.
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dig +short TXT whoami.ds.akahelp.net.
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dig +short TXT whoami.ipv6.akahelp.net.
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dig +short TXT whoami.ipv4.akahelp.net.
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```
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- Note: Cloudflare sends ECS only for whoami.ds.akahelp.net.
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