DNS Spy vs OneDollarDNS
| DNS Spy | OneDollarDNS | |
|---|---|---|
| Free plan | No | No |
| Free trial | Yes | Yes |
| Paid from | $9/mo | $1/mo |
| Platforms | api, Web | Web |
| Free plan | No | No |
| Resolution checks | Yes | Yes |
| Propagation checks | Yes | No |
| Record-change alerts | Yes | Yes |
| Nameserver health checks | Yes | Yes |
| Alert channels | email, Slack, Discord, PagerDuty, webhooks, syslog | email, Slack, Discord, webhook, additional email addresses |
| Paid from | 1 /mo | |
| Check interval | 60 minutes |
Listed together in Best DNS Monitoring Software