DNS Lookup PRO

Check and analyze DNS records for any domain, subdomain, or IP with a practical focus on technical SEO, monetization, email, domain verification, and security.

This tool reviews records such as A, AAAA, MX, TXT, NS, CNAME, SOA, CAA, SRV, PTR, DNSKEY, and DS, while also generating a useful diagnostic for webmasters.

A / AAAA MX / TXT / NS SPF / DMARC / DKIM DNSSEC / CAA Technical SEO Adsense and monetization

You can enter a clean domain or even a full URL. The tool will try to normalize it automatically before querying.

What this tool checks

Root domain and www resolution
Verification records for Google, Microsoft, or Facebook
MX, SPF, DMARC, and common DKIM selectors
Nameservers, SOA, TTL, CAA, and DNSSEC signals
Availability of https, ads.txt, and robots.txt
Technical consistency useful for SEO and monetization

Analysis

SEO + DNS + Email

Useful for

Technical SEO

Monetization

Ads.txt + base validation

Security

CAA + DNSSEC if available

Enter a domain, subdomain, or IP and click Check DNS to see the full analysis.

What you can review with a professional DNS Lookup

A DNS lookup should not be limited to listing records. The real value comes from understanding what that data means and how it affects the project. For example, a TXT record can be used to verify domain ownership, an MX record defines where email is handled, a CAA record limits which authorities can issue certificates, and NS or SOA records help you understand who controls the zone.

In an SEO and AdSense-focused environment, reviewing DNS can help you detect foundational issues before wasting time on other layers. It is also useful for migrations, provider changes, Search Console verification, corporate email, third-party integrations, and consistency between the root domain and www.

Frequently asked questions

What is a DNS Lookup?

It is a query that lets you retrieve public information about the DNS configuration of a domain or IP. With it, you can see which IP it points to, which mail servers it uses, which TXT records are published, and other technical details.

Can this tool help with Search Console verification?

Yes. If the domain uses a Google TXT verification record, the tool can detect it within the queried TXT records.

Is ads.txt a DNS record?

No. ads.txt is a file published at the root of the website. Even so, checking DNS and domain availability helps validate the technical foundation of the project before diagnosing monetization issues.

Can I review SPF, DKIM, and DMARC?

Yes. The tool analyzes TXT records, looks for SPF signals, checks _dmarc, and tests several common DKIM selectors.

Why does comparing root and www matter?

Because from a technical and SEO point of view, both should resolve correctly and follow a coherent redirection strategy. When the root and www point to different infrastructures without proper control, consistency issues can appear.