Category

Live DNS & Domain

Live public DNS lookups and domain record diagnostics with safe server-side querying. 25 tools are currently live in this section.

A Record Lookup

Look up public IPv4 A records for a domain.

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AAAA Record Lookup

Look up public IPv6 AAAA records for a domain.

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MX Record Lookup

Find mail exchanger hosts and priorities for a domain.

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NS Record Lookup

Find authoritative nameservers published for a domain.

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TXT Record Lookup

List public TXT records published for a domain.

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CNAME Record Lookup

Check whether a hostname publishes a canonical-name alias.

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SOA Record Lookup

Inspect the Start of Authority record for a domain.

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CAA Record Lookup

Inspect Certificate Authority Authorization records for a domain.

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SRV Record Lookup

Look up SRV service records for a hostname.

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Reverse DNS Lookup

Resolve a public IP address to its PTR/reverse hostname.

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DNS Record Summary

Summarize common A, AAAA, MX, NS, TXT, CNAME, SOA and CAA records.

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Apex vs WWW DNS Compare

Compare the resolved IP addresses for a root domain and its www hostname.

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Minimum DNS TTL Checker

Find the smallest TTL returned across common public DNS records.

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Maximum DNS TTL Checker

Find the largest TTL returned across common public DNS records.

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IPv4 Address Count

Count unique public IPv4 addresses in a domain A-record response.

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IPv6 Address Count

Count unique IPv6 addresses in a domain AAAA-record response.

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MX Priority Analyzer

List MX priorities in delivery order and identify the preferred mail exchanger.

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MX Record Count

Count mail exchanger records published for a domain.

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Nameserver Count

Count unique authoritative NS hosts for a domain.

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TXT Record Count

Count TXT records returned for a domain.

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CAA Issuer Count

Count distinct CAA issue/issuewild authorizations on a domain.

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CNAME Target Checker

Return the canonical target for a CNAME hostname when present.

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SOA Primary Nameserver

Return the primary nameserver recorded in a domain SOA record.

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SOA Admin Contact

Show the administrative mailbox value encoded in a domain SOA record.

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DNS Total Record Count

Count records found across common DNS record types for a domain.

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About Live DNS & Domain

Live public DNS lookups and domain record diagnostics with safe server-side querying. MediaZuno groups closely related utilities together so you can move between tasks without hunting across different websites.