RMON
- How to get licence
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- How to create a Telegram bot and use it with RMON
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Servers
DNS availability and record monitoring
Detect resolution failures and unexpected DNS answers before they interrupt websites, mail or application traffic. RMON checks the resolver and record values you rely on.
Verify both DNS availability and the answer returned
DNS can respond while still returning a record that sends users to the wrong destination. RMON lets you choose the resolver, query the required record type and compare the result with the value you expect.
Run checks from several monitoring locations to uncover resolver-specific or regional problems. Response time, current state and history help distinguish a temporary delay from a persistent failure.
Catch missing records
Alert when a required DNS record cannot be resolved from the selected resolver.
Detect wrong answers
Compare returned record values with the destinations your service should use.
Find regional differences
Repeat the check from multiple locations and compare the observed result.
What this solution can cover
- A, AAAA, CNAME, DNAME, MX, NS, PTR and TXT checks
- Configurable DNS resolver
- Expected record-value validation
- IPv4 and IPv6 answers
- DNS response-time measurement
- Retries and warning thresholds
- Multi-location assignment
- Failure and recovery notifications
Monitor a DNS record in four steps
- 01
Choose a resolver
Select the DNS server whose view of the record you need to verify.
- 02
Select the record
Enter the name, record type and expected value where applicable.
- 03
Assign locations
Run the query from the agents or regions that represent real users.
- 04
Set alerts
Choose retries, timing thresholds and notification channels.
Common questions about dns record monitoring
Which DNS records can RMON check?
RMON supports common record types including A, AAAA, CNAME, DNAME, MX, NS, PTR and TXT.
Can I choose the DNS resolver?
Yes. Each DNS check can query the resolver that is relevant to the service or location.
Does RMON measure DNS response time?
Yes. DNS check results include response timing that can be used with alert thresholds.