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13 tools

DNS & Domain

Authoritative DNS lookups, propagation checks, and domain diagnostics for records, delegation, email routing, and DNSSEC validation.

Category focus

Designed for fast, high-signal analysis with dense information layouts, professional terminology, and field-ready workflows.

Available Tools

13 diagnostic utilities
MX110MX220DNS Query
Featured

MX Lookup

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MX Lookup helps you check mail exchange records for a domain, for authoritative DNS validation, resolver checks, and faster troubleshooting.

mx-lookup Launch
DNS LookupAnimated DNS query illustration showing domain name resolutionDNS192.168.1.1
Featured

DNS Lookup

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DNS Lookup helps you query dns records (a, aaaa, cname, txt, ns, soa), for authoritative DNS validation, resolver checks, and faster troubleshooting.

dns-lookup Launch
AAAA LookupIPv6 hex blocks pulse as AAAA records resolve.20010db842aa

AAAA Lookup

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AAAA Lookup helps you query ipv6 address (aaaa) records, for authoritative DNS validation, resolver checks, and faster troubleshooting.

aaaa-lookup Launch
TXT LookupA TXT record document reveals lines of policy text as they are discovered.v=spf1 include

TXT Lookup

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TXT Lookup helps you query txt records for domain verification and policies, for authoritative DNS validation, resolver checks, and faster troubleshooting.

txt-lookup Launch
CNAME LookupLinked aliases animate from one hostname to its canonical target.aliascanonical

CNAME Lookup

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CNAME Lookup helps you query canonical name (cname) alias records, for authoritative DNS validation, resolver checks, and faster troubleshooting.

cname-lookup Launch
SOA LookupAn authority crown hovers over zone metadata and nameserver details.NS1.EXAMPLESERIAL 20250308

SOA Lookup

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SOA Lookup helps you query start of authority records for zone information, for authoritative DNS validation, resolver checks, and faster troubleshooting.

soa-lookup Launch
SRV LookupLoad balancing arrows fan out toward multiple service targets.

SRV Lookup

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SRV Lookup helps you query service location (srv) records, for authoritative DNS validation, resolver checks, and faster troubleshooting.

srv-lookup Launch
DNS PropagationA globe emits DNS waves outward to distributed resolvers.
Featured

DNS Propagation

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DNS Propagation helps you check dns propagation globally across multiple servers, for DNS validation, resolver checks, and troubleshooting.

dns-propagation Launch
WHOISREGISTRARGoDaddyCREATED2015ACTIVEEXP: 2027

WHOIS Lookup

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WHOIS Lookup helps you domain registration and ownership information, for authoritative DNS validation, resolver checks, and faster troubleshooting.

whois Launch
DNSSEC CheckA cryptographic chain locks DNS answers with signed trust anchors.DSRRSIG

DNSSEC Check

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DNSSEC Check helps you validate dnssec configuration and signatures, for authoritative DNS validation, resolver checks, and faster troubleshooting.

dnssec Launch
Domain HealthA health dashboard monitors domain signals with live indicators.
Featured

Domain Health

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Domain Health helps you comprehensive domain configuration and health check, for authoritative DNS validation, resolver checks, and faster troubleshooting.

domain-health Launch
DNS Server FinderA grid of resolvers lights up while the fastest nodes are highlighted.

DNS Server Finder

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DNS Server Finder helps you browse and compare public dns servers — cloudflare, google, quad9 and more, for DNS validation and troubleshooting.

dns-servers Launch
DNS Speed TestA DNS speedometer needle sweeps as resolvers race.14 ms

DNS Speed Test

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DNS Speed Test helps you test and compare dns resolution speed across cloudflare, google, quad9 and more, for DNS validation and troubleshooting.

dns-speed-test Launch