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MIYAIP TOOLS

DNS / NSLookup Tool

Use the DNS / NSLookup tool to query common DNS records through a public resolver or trace delegation to authoritative servers, with PTR lookup support for IP addresses.

Authoritative DNS Lookup vs. Recursive DNS Lookup

Authoritative mode begins with root delegation and continues until the target zone's authoritative name server is queried. The delegation path is not reused between requests, which emphasizes provenance and the answer currently published by the responsible server.

Recursive mode asks the selected public resolver for the final answer. That resolver may serve a cached record according to its TTL, so this view represents what users of that resolver can receive at the time of the query.

Which DNS Records Can You Check?

A and AAAA map names to IPv4 and IPv6 addresses; CNAME points one name to another; MX and TXT support mail routing and published policies; NS and SOA describe zone authority and administration.

CAA limits certificate authorities, SRV publishes service hosts and ports, and PTR maps an IP address to a reverse hostname. When the query value is a public IPv4 or IPv6 address, the tool automatically prepares the corresponding PTR lookup.

Read DNS results as point-in-time evidence

Answer, authority, additional, and delegation sections explain how a response was reached. A recent DNS change may produce different answers until caches expire, so compare resolvers, TTL values, and authoritative data before concluding that a record is missing.

Authoritative lookup requires the MiyaIP test server to reach public DNS servers on UDP or TCP port 53. If that path is blocked, the tool reports the mode as unavailable instead of presenting a recursive response as authoritative.

FAQ

Frequently asked questions

Can I run a reverse DNS lookup for an IP address?

Yes. Enter a public IPv4 or IPv6 address and MiyaIP automatically runs a PTR query for its reverse hostname. A missing PTR record does not make the IP invalid; many address owners simply do not publish reverse DNS.

Why does Authoritative Direct Check still show TTL?

TTL is a record field published by the authoritative server that tells recursive resolvers how long they may cache it. Displaying a TTL does not mean MiyaIP saved the record; another query repeats the delegation trace and authoritative request.

Can recursive mode bypass caching completely?

No. MiyaIP disables its own client and HTTP cache and sends a new request, but the public recursive resolver can use its own cache according to the authoritative TTL. The page therefore marks that recursive caching may exist.

Why is the test node not my location?

DNS requests are made by the current MiyaIP application server. Its country, region, and city are estimated from the server's public network exit. They describe the query path and do not represent your device or DNS settings.

Why might authoritative mode be unavailable?

Authoritative Direct Check requires the server to reach public DNS servers over UDP or TCP port 53. If the hosting network blocks or intercepts direct DNS traffic, MiyaIP reports the mode as unavailable instead of presenting recursive answers as authoritative.

Keep checking

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