OneDollarDNS vs Visual Sentinel
OneDollarDNS
onedollardns.comVisual Sentinel
visualsentinel.comSide by side
| Figure | OneDollarDNS | Visual Sentinel |
|---|---|---|
| Price from | $1/mo | $4.50/mo |
| Free plan | — | Yes |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | — | Yes |
| Plans published | 3 | 15 |
| Spec score · DNS Monitoring Software | 7.6 (#27) | 8.5 (#7) |
| Purpose | OneDollarDNS monitors domain DNS records and alerts customers when records change; it does not host or manage DNS. | Visual Sentinel monitors websites and servers and detects visual page changes that ordinary uptime checks may miss. |
| Security | The security page says connections use HTTPS, sensitive data is encrypted at rest, passwords are hashed, and two-factor authentication is available. | The privacy policy states that data is encrypted in transit with TLS 1.3 and sensitive integration credentials and API tokens are encrypted at rest with AES-256-GCM. |
| Support | The documentation directs customers to email support for help. | The company says human support replies typically within 24 hours by email. |
Plans
OneDollarDNS
- Domain monitoring$1 a month
- Frequent Monitoring add-on$1 a month
- Team Notifications add-on$5 a month
Visual Sentinel
- Solo$6 a month
- Solo$54 a year
- Starter$12 a month
- Starter$108 a year
- Business$39 a month
- Business$351 a year
- FreeFree
- Agency$149 a month
- Agency$1,341 a year
- FreeFree
In their own words
OneDollarDNS
OneDollarDNS has no write-up on Specifiction yet; its figures are above.
Visual Sentinel
Visual Sentinel monitors websites and servers, including page changes that ordinary uptime checks may miss. Its monitoring covers uptime, screenshot-based visual comparison, SSL, DNS, performance, content, APIs, endpoints, and servers. For visual checks, it captures a page in a browser and compares the screenshot with a prior baseline. Users can exclude changing page elements with CSS selectors and set the amount of change needed to flag a capture. Failed uptime checks are repeated; a site is marked down only if it fails from all selected regions. Alerts can go to email, Slack, Discord, WhatsApp, Telegram, Microsoft Teams, PagerDuty, OpsGenie, webhooks, Prometheus, and browser push. The REST API manages monitors, incidents, status pages, maintenance windows, reports, and notification channels; API access is listed for Business and Agency. The Free plan costs nothing and includes three monitors, 10-minute checks, and one status page. Solo costs $6 a month. Visual Sentinel is built and operated by Acefina LLC and is intended for small teams, agencies, and site owners.