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DNS Monitoring

Check for performance and accuracy of DNS query resolutions from worldwide locations.
DNS Monitoring

DNS Record Types Supported

Our DNS monitoring solution supports the following record types:

A

IPv4 address record that maps a hostname to an IPv4 address.

AAAA

IPv6 address record that maps a hostname to an IPv6 address.

CNAME

Canonical name record that is an alias to another name record.

MX

Mail exchange record defines the message transfer agents for the domain.

NS

Name server record that delegates the authoritative name servers.

PTR

Pointer record points to a canonical record for reverse DNS lookup.

SOA

Start of authority record returns the most authoritative information regarding the domain, mail, and record timing information.

SPF

Sender Policy Framework (SPF) is a legacy record that is now generally handled in the TXT record.

TXT

Text record can be used for general information as well as Sender Policy Information or other machine-readable information.

DNS Monitoring Alerts and Reports

Receive alerts when errors occur, and access performance reports related to DNS server performance.
If any issues are detected with resolving DNS names, an instant DNS trace is taken that shows the full path of propagation, as well as an instant alert, showing the type of issue and extent of the error. Performance reports are generated showing global resolution speeds.
dns online reporting

Frequently Asked Questions

Domain name servers (DNS) are used to translate domain names to IP addresses. If the DNS server that supports your organization is down, multiple services, such as mail servers, web sites, or proxy servers may be unavailable to the outside world.

DNS monitoring provides consistent connectivity to your websites and servers, saving you time when diagnosing DNS issues. DNS monitoring ensures your critical services are always up and running.

Slow DNS resolution can translate to sluggish website performance. Our DNS monitoring solution can test DNS resolution by directly querying specified servers or propagating Internet root servers to resolve a specific Internet address from multiple points around the world.

Device Cached. This is the default option and means the cached name server (NS) address retrieved during monitoring of a previous task (device cache) will initially be used for monitoring. If the device cache does not have the needed address, then an automatic inquiry for the address from root DNS servers will be conducted.

Non-cached. The device cache (cache of preceding tasks) will not be used, so each new execution demands a separate inquiry to DNS root servers.  This is useful for ensuring uniform times since the DNS lookup will be performed each time.

TTL Cached. NS cache formed during monitoring of preceding tasks (device cache) will initially be used for monitoring. If the device cache does not have the needed address, then an automatic inquiry for the address will be conducted from the local DNS server.

External DNS Server. A specified IP address will be considered as a DNS server address and polled for NS data. For example, this is useful in situations where most of your clients use a public caching service.

For more information on DNS mode options, please visit our  Knowledge Base page.

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