ShomerDNS Checker by HEYBRODES
ShomerDNS Blocker checks the site you're about to visit against ShomerDNS's community filter list, and blocks it with a ShomerDNS page if it's already blocked at the DNS level — even when you're not connected to the ShomerDNS VPN.
Available on Firefox for Android™Available on Firefox for Android™
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About this extension
ShomerDNS Blocker checks the site you're about to visit against
ShomerDNS's community filter list, and blocks it with a ShomerDNS page
if it's already blocked at the DNS level — even when you're not
connected to the ShomerDNS VPN.
Previously, this extension ("ShomerDNS Checker") only flagged blocked
domains as a notice. This update makes it actively block the page.
What it does:
- Checks the domain of each page you navigate to against ShomerDNS's
filter list (the same list used by the ShomerDNS DNS service)
- Shows a block page instead of loading the site, if it's on the list
- Works without an account — no sign-in, no VPN connection required
- Fails open: if the check can't complete (offline, server issue), the
page loads normally rather than getting stuck
What it does NOT do:
- It does not block ads or trackers embedded inside otherwise-allowed
pages (that requires the full ShomerDNS VPN/DNS filtering)
- It does not store your browsing history — see our privacy policy at
https://shomerdns.com/privacy for exactly what's collected
ShomerDNS is a free, privacy-first, community-run DNS filtering
service. Learn more at https://shomerdns.com.
ShomerDNS's community filter list, and blocks it with a ShomerDNS page
if it's already blocked at the DNS level — even when you're not
connected to the ShomerDNS VPN.
Previously, this extension ("ShomerDNS Checker") only flagged blocked
domains as a notice. This update makes it actively block the page.
What it does:
- Checks the domain of each page you navigate to against ShomerDNS's
filter list (the same list used by the ShomerDNS DNS service)
- Shows a block page instead of loading the site, if it's on the list
- Works without an account — no sign-in, no VPN connection required
- Fails open: if the check can't complete (offline, server issue), the
page loads normally rather than getting stuck
What it does NOT do:
- It does not block ads or trackers embedded inside otherwise-allowed
pages (that requires the full ShomerDNS VPN/DNS filtering)
- It does not store your browsing history — see our privacy policy at
https://shomerdns.com/privacy for exactly what's collected
ShomerDNS is a free, privacy-first, community-run DNS filtering
service. Learn more at https://shomerdns.com.
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Permissions and data
Required permissions:
- Access browser tabs
- Access browser activity during navigation
Optional permissions:
- Access your data for shomerdns.com
Required data collection, according to the developer:
- Browsing activity
More information
- Add-on Links
- Version
- 1.2
- Size
- 34.21 KB
- Last updated
- a day ago (Sep 12, 2026)
- Related Categories
- License
- MIT License
- Version History
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The developer of this extension asks that you help support its continued development by making a small contribution.