How to check domain WHOIS?

Enter the domain name and run a WHOIS search to see registration and registrar details (availability depends on TLD policies).

Can I check DNS records?

Yes. Use the DNS tool to view common DNS records like A, AAAA, CNAME, MX, and TXT.

Smart iT Host - Universal WHOIS Lookup

Look up WHOIS information for any domain worldwide. Get registrant details, registration dates, and technical info in one place.

.com .net .org .io .bd

DNS Checker

Resolve DNS records (A, NS, MX, TXT, and more) for any domain name.

IP WHOIS

Query IANA WHOIS for an IP address and read the raw registry response.

ASN Lookup

IPv4 uses Team Cymru DNS origin. For ASN numbers we query Cymru WHOIS (for example AS15169 or 15169).

What's My IP?

Find out your public IP address and get detailed information about your connection.

Instant Results

Get WHOIS data in seconds with an optimized lookup engine.

Accurate Data

Direct access to registry WHOIS servers for reliable details.

Real-time Updates

Always fresh information about registration and ownership.

Complete Records

Registrar, nameserver, expiry, and status details together.

Universal WHOIS Lookup

Look up domain information for any TLD worldwide.

Generic TLDs

.com.net.org.info.biz.xyz

New gTLDs

.shop.online.tech.site.store.app

Country TLDs

.bd.uk.us.in.au.ca

Bangladesh TLDs

.com.bd.net.bd.org.bd.edu.bd.gov.bd

Business TLDs

.company.business.inc.llc.solutions

Education TLDs

.edu.academy.school.college.institute

Why Smart IT Host WHOIS?

Smart tools for everyday domain management

Run quick checks or deep inspections without leaving this page – built for agencies, sysadmins, and hosting providers who live with DNS every day.

All lookups in one place

WHOIS, DNS, IP WHOIS, ASN, and My IP – no extra tabs needed.

Clean, readable output

Human‑friendly summaries with full raw data whenever you need details.

Optimized for daily use

Fast responses, keyboard‑friendly forms, and layout tuned for repeat checks.

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