DNS Tools

Search DNS system for DNS records of a domain name. You can search for A, AAAA, CNAME, SOA, NS, MX and TXT records. Verify SPF, DKIM, and DMARC records are properly setup to send emails without being filtered as spams.

DNS Lookup

Lookup A, AAAA, MX, NS, SOA and TXT records of a DNS Zone.

SPF Validator

Validate Sender Policy Framework (SPF) authentication of a DNS.

Reverse DNS Lookup

Lookup hostname or IP address of the domain by reverse DNS lookup.

NS Lookup

Lookup NS (name server) records for the domain name in the DNS system.

DMARC Lookup

Lookup DMARC records for the domain name in the DNS system.

DMARC Generator

Use DMARC wizard to generate a DMARC DNS Record for your domain.

MX Validator

Validate DNS MX records for the domain name, and test the SMTP sessions.

DKIM Validator

DKIM validator checks for a DKIM selector in the DNS TXT record on the domain.

DNSKEY Lookup

Lookup presence of DNSKEY and validate authencity of the DNS Records.

DNS Zone Transfer

Changing a web host? Us this tool to create a DNS zone file for a domain.

IP to Hostname

Reverse lookup DNS for the Hostname mapped to an IP Address.

Hostname to IP

Lookup DNS for the IP address assigned to the hostname.

DNSSEC Lookup

Lookup DNSSEC records for the security extension of the DNS.

IPv6 AAAA Lookup

Lookup 128-bit IPv6 AAAA records for your (sub)domain name.

Mail Server Test

Enter an email or domain name, and the tool will test mail servers.

DNS Leak Test

DNS Leak test to detect DNS Leakage to unauthorized third-party DNS.

Other Tools

We've put together a collection of domain, network and webmaster tools for developers and netizens. The tools are offered for ethical use only, and use of the tools to harm others are strictly prohibited. All available tools are free to use. You're welcome your suggestions and feedback on the tools we offer.