Record Lookup Tools
Use record lookup tools when you already know the record type you need to inspect, compare, or export in detail.
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Look Up A Specific Record Type
Use the generic lookup when you need A, AAAA, CNAME, NS, PTR, SOA, SRV, CAA, or TXT in one place.
Investigate Mail Routing
Start with MX results when troubleshooting inbound mail flow, priorities, or mail hostnames.
Review Certificate Authorization
Use CAA lookup when you need to understand which certificate authorities are allowed to issue for a domain.
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Record Lookups
Record Lookup
Query A, AAAA, CNAME, NS, PTR, SOA, SRV, CAA, and TXT records.
NS Lookup
Check authoritative nameserver records directly.
MX Lookup
Check mail exchange records, priorities, and resolved IPs.
TXT Lookup
Check TXT records, TTL values, and full text content.
CAA Analysis
Review certificate authority authorization records and tags.
PTR Check
Validate reverse DNS and forward-confirmed PTR results.
SRV Lookup
Query SRV records with service and protocol inputs.
Featured Articles
How Certificate Transparency Helps Find Subdomains
Learn how certificate transparency logs help find subdomains, what the data misses, and how to interpret CT-based hostname discovery safely.
What Is a Subject Alternative Name in TLS?
Learn what a subject alternative name is in a TLS certificate, why SANs matter for hostname validation, and how SAN data helps with discovery and troubleshooting.
What Is an SRV Record in DNS?
Learn what an SRV record is, how service, protocol, priority, weight, and port fields work, and when SRV lookups are useful in real deployments.
How to Read MX Records and Mail Priorities
A comprehensive guide to MX records. Learn how MX records work, how priority is calculated, how mail routing functions, and how to troubleshoot delivery issues.
What are CAA records?
Learn what CAA records contain, how issue and issuewild tags work, and how CAA helps control which certificate authorities can issue for your domain.
What are glue records?
Learn what glue records are, when they are required, and why they are critical for keeping in-bailiwick nameserver delegation resolvable.