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Technology

DNS Lookup Tool

Perform a DNS lookup to display detailed DNS information.

DNS Lookup Tool

About this tool

Perform a comprehensive DNS lookup for any domain. View A, AAAA, MX, NS, TXT, CNAME, and SOA records to understand your domain's DNS configuration.

Website IP Address Finder

Retrieve the IP address of any website.

DNSOpen DMARC Record Tool

Check if a website has a DMARC record in place.

DNSOpen SPF Record Tool

Verify if your domain has an SPF record configured.

DNSOpen
No signup, no catch

What the free tools actually do

Seven of them run in the browser and ask for nothing. The eighth asks for a domain and an email, because it has to send you a report.

  • best AI visibility trackerDaily
    ChatGPT
    Gemini
    Perplexity
    Claude

    A real check, right now. Four models asked your question, with the answers they gave back.

  • Prompt ideas
    what is AEO2.4k
    best AEO tools1.1k
    AEO vs SEO860

    Prompt research, free. A sample of the ideas the paid research page ranks.

  • A crawler that only reads. It fetches your pages the way an AI crawler would and never writes.

  • Generators
    llms.txtGenerate
    FAQ schemaGenerate
    Article schemaGenerate

    Copy-paste output. llms.txt and schema markup you can paste straight into the page.

  • 30sto a visibility report on your domain

    Use it in the pitch. Screenshot it, export it. White-label and weekly is the paid plan.

Everything you're wondering

Or ask us anything at hello@zerorank.ai

What is a DNS lookup?

A DNS lookup queries the Domain Name System to translate a domain name into its associated IP addresses and other records (MX, CNAME, TXT, etc.). It reveals how your domain is configured at the DNS level.

What do the different DNS record types mean?

A records point to IPv4 addresses, AAAA to IPv6, MX records define mail servers, CNAME creates domain aliases, TXT records hold text data (like SPF/DKIM), and NS records specify your authoritative name servers.