AdGuard DNS vs OpenBLD
AdGuard DNS
adguard-dns.ioOpenBLD
openbld.netSide by side
| Figure | AdGuard DNS | OpenBLD |
|---|---|---|
| Price from | $2.49/mo | $15/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | Yes | — |
| Web | Yes | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | Yes | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 7 | 3 |
| Spec score · Internet Filtering Software | 9.5 (#1) | 9.0 (#6) |
| Company size | LinkedIn lists AdGuard as a privately held IT services and consulting company with 51–200 employees. | LinkedIn lists OpenBLD.net as a nonprofit with one employee and headquarters in Almaty, Kazakhstan. |
| Filtering modes | Public DNS offers default ad and tracker blocking, a family mode with adult-content and safe-search filtering, and a non-filtering encrypted mode. | The service offers Adaptive ADA, stricter RIC and OpenBLD Plus modes. |
| Founded | 2009 | 2019 |
| Licence | The AdGuard DNS resolver source is released under the GNU Affero General Public License version 3. | The public GitHub repository for the OpenBLD website is marked CC0-1.0; the service's internal zBLD components are described as internal technology rather than separately licensed source code. |
| Self-hosting | AdGuard identifies AdGuard Home as its free self-hosted network-wide DNS software; hosted Private DNS is presented as a managed service. | The Plus documentation says on-premise installations keep DNS traffic, logs, analytics, integrations, infrastructure and retention policies under customer control. |
| Support | AdGuard lists technical support at [email protected]; enterprise customers are offered priority support, technical documentation, setup guides, API documentation, and email support. | OpenBLD Plus includes professional support, while technical questions and general support are directed to Telegram. |
| What it does | AdGuard DNS is a DNS resolver that encrypts DNS traffic and blocks ads, trackers, phishing, malicious domains, and optional adult content across connected devices. | OpenBLD provides public protective DNS intended to block malware, phishing, tracking and unwanted domains. |
Plans
AdGuard DNS
- AdGuard DNS StarterFree
- AdGuard DNS StarterFree
- AdGuard DNS Personal$19.99 a month
- AdGuard DNS Personal$29.88 a year
- AdGuard DNS Team$239.99 a month
- AdGuard DNS Team$359.77 a year
- AdGuard DNS EnterprisePriced on request
OpenBLD
- OpenBLD FreeFree
- OpenBLD Plus$15 a month
- OpenBLD Plus enterprise deploymentsPriced on request
In their own words
AdGuard DNS
AdGuard DNS has no write-up on Specifiction yet; its figures are above.
OpenBLD
OpenBLD provides protective DNS to block malware, phishing, tracking and unwanted domains. It supports classic DNS, DNS-over-HTTPS and DNS-over-TLS. The free service can be configured on phones, browsers, computers and routers without installing an agent or additional software. Its ADA profile is adaptive for most users, while RIC applies stricter filtering that may affect some services. OpenBLD Free is presented for personal use, home networks and small offices, and is billed Free forever with about 100,000 DNS queries per day and a limit of 100 requests per second per IP. OpenBLD Plus is aimed at companies, security teams and managed service providers. It adds organization-specific policies, centralized DNS analytics, security events and corporate DNS integrations. Deployment options are Managed Cloud, Dedicated DNS and On-Premise; the On-Premise option keeps DNS traffic, events and analytics within customer infrastructure. The documentation says there is no Service Level Agreement for OpenBLD DNS, while Plus lists SLA options. The service was founded in 2019.