Free DNS NAPTR Record Checker Tool
Look up the NAPTR records published for a domain and review their order, preference, flags, service, regular expression, replacement, and time-to-live values.
What the NAPTR check shows
- Published values: Inspect the record fields returned by DNS for the requested name.
- Resolution order: Compare order and preference values when several NAPTR records are present.
- Service mapping: Review flags, service identifiers, regular expressions, and replacement targets together.
What is a NAPTR record?
A NAPTR record describes rewrite and service-discovery rules in DNS. Applications commonly combine it with SRV records for protocols such as SIP, while ENUM uses NAPTR records to map telephone numbers to services.
Advantages of Regular NAPTR Record Checks:
- **Enhanced Service Routing: Regular verification helps in maintaining optimal service discovery and routing configurations.
- **Improved Protocol Handling: Ensures that your domain correctly handles protocol translations as needed.
- **Advanced Network Functionality: Particularly beneficial for domains involved in VoIP and other advanced network services.