Domain Intelligence Tools
Use domain intelligence tools when you need a broader view of a domain's DNS health, trust posture, propagation state, or ownership details. Start here for DNS audits, propagation checks, and higher-level troubleshooting workflows.
Search Domain Intelligence Tools
Start With The Right Tool
Audit A Domain End To End
Start with a broad audit when you want quick signal on DNS, email, and common configuration risks.
Check Propagation Or Caching
Compare several public resolvers when you suspect a recent DNS change has not fully settled yet.
Validate Trust And Delegation
Review DNSSEC, glue, nameserver relationships, and delegation details when the issue looks structural.
Featured Tools
Article Topic Hubs
DNS Troubleshooting Articles
Read troubleshooting guides for propagation, mail issues, DNS misconfiguration, and common operational failures.
DNS Basics Articles
Read DNS basics articles covering records, nameservers, DNSSEC, propagation, and core lookup concepts.
Setup And Migration Guides
Read setup and migration guides for common DNS and email configuration tasks.
Browse All Domain Intelligence
Domain Intelligence
DNS Audit
Run a broad DNS and email configuration audit.
Domain DNS Summary
See a broad one-page view of key DNS records for a domain.
Delegation Checker
Compare parent delegation, child NS records, and SOA serials.
Whois Lookup
Inspect domain registration, registrar, and nameserver information.
DNSSEC Checker
Check whether DNSKEY and DS records are present.
DNS Propagation Checker
Compare answers across public resolvers.
Glue Record Checker
Inspect in-bailiwick nameservers and glue-related addressing.
Dangling CNAME Checker
Check whether a CNAME target looks dead or takeover-prone.
Featured Articles
What Is DNS TTL? Time to Live Explained
Learn what DNS TTL means, how DNS caching works, why TTL affects propagation and reliability, and how to choose the right TTL before a DNS change.
How to Fix SPF Softfail
A practical guide to fixing SPF softfail, including how to identify the sending domain, review the SPF policy, authorise senders, and tighten enforcement safely.
Google Workspace SPF, DKIM, and DMARC Setup
A practical guide to setting up SPF, DKIM, and DMARC for Google Workspace, including what to publish in DNS and what to verify after setup.
How to Check an MX Record
A practical guide to checking an MX record, reading priorities and targets, and confirming whether mail is routed to the provider you expect.
How to Check Email Provider Setup for a Domain
A practical workflow for checking whether a domain's email provider setup looks like Google Workspace, Microsoft 365, or a mixed environment with extra gateways.
How to Check Email Security for a Domain
A practical workflow for checking email security for a domain, including SPF, DMARC, DKIM, MX, MTA-STS, TLS-RPT, BIMI, and provider setup.