https://www.spamhaus.com/data-access/free-dns-firewall/
Data access | Free DNS Firewall | Spamhaus Technology
Use Spamhaus Free DNS Firewall to access DNS RPZs and automatically block IPs linked to hijacked networks, bulletproof hosters, or malicious organizations.
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https://www.spamhaus.com/resource-center/response-policy-zones-rp-zs-via-spamhaus-dns-firewall/
Blog | Response Policy Zones (RPZs) via Spamhaus DNS Firewall | Spamhaus Technology
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https://www.keepsolid.com/dnsfirewall/
DNS Firewall – Best Protection from Malware
Want to enjoy safer browsing? Use DNS Firewall and protect your device from malware, phishing attacks, undesired content, and more! Best protection from malware
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https://docs.rethinkdns.com/
Rethink DNS + Firewall | RethinkDNS Docs
2B+ Android users deserve access to a safer and open Internet. Rethink DNS and Firewall offer a fast, secure, configurable, private DNS + Firewall for Android.
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https://www.rethinkdns.com/
Rethink | Fast, secure, configurable, private DNS + Firewall for Android.
3B+ Android users deserve access to a safer and open Internet. RethinkDNS is a private, secure, and fast DNS resolver with custom rules, blocklists, and...
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https://www.bravedns.com/
Rethink | Fast, secure, configurable, private DNS + Firewall for Android.
3B+ Android users deserve access to a safer and open Internet. RethinkDNS is a private, secure, and fast DNS resolver with custom rules, blocklists, and...
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https://f-droid.org/packages/com.celzero.bravedns/
Rethink: DNS + Firewall + VPN | F-Droid - Free and Open Source Android App Repository
Firewall apps, use WireGuard VPN, monitor network, block malware, change DNS.
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https://rethinkdns.com/app
DNS + Firewall App for Android 6+ | Rethink
3B+ Android users deserve access to a safer and open Internet. RethinkDNS is a private, secure, and fast DNS resolver with custom rules, blocklists, and...
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https://www.flinteger.com/
Secure DNS & Firewall - A secure DoH service with content blocking
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https://ahadns.com/
AhaDNS.com – Cloud DNS Firewall with DoH & HTTP/3
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https://www.seisnet.it/sistemi-it/
Sistemi IT: Network, Server DNS, Firewall, Consulenza IT | Seisnet
Oct 1, 2025 - Progettiamo e gestiamo sistemi IT sicuri e performanti per ogni tipo di network aziendale. Scopri di più.
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https://opensource.com/article/20/9/news-sept-8
Tux the Linux Penguin in its first video game, better DNS and firewall on Android, Gitops IDE goes...
In this week’s edition of our open source news roundup, Gitpod open sources its IDE platform, BraveDNS launches an all-in-one platform, and more open source...
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https://firewall.cira.ca/
CIRA DNS Firewall
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