DNS Tools


Search the DNS system for a domain name's DNS records. You can search for A, AAAA, CNAME, SOA, NS, MX, and TXT records. Verify that SPF, DKIM, and DMARC records are properly set up to send emails without being filtered as spam.

DNS Lookup
dns-lookup
Lookup A, AAAA, MX, NS, SOA and TXT records of a DNS Zone.
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Reverse DNS Lookup
reverse-dns
Lookup hostname or IP address of the domain by reverse DNS lookup.
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NS Lookup
ns-lookup
Lookup NS (name server) records for the domain name in the DNS system.
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DMARC Lookup
dmarc-lookup
Lookup DMARC records for the domain name in the DNS system.
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DKIM Validator
dkim-validator
DKIM validator checks for a DKIM selector in the DNS TXT record on the domain.
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DNS Zone Transfer
dns-zone-transfer
Performs DNS zone transfer (AXFR) to retrieve all DNS records from a domain’s authoritative name server.
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IP to Hostname Lookup
ip-to-hostname
Reverse lookup DNS for the Hostname mapped to an IP Address.
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Hostname to IP Lookup
hostname-to-ip
Lookup DNS for the IP address assigned to the hostname.
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DNSSEC Lookup
dnssec-lookup
Performs DNSSEC lookup to verify domain name authenticity and validate cryptographic signatures in DNS records.
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Mail Server Test
mail-server-test
Enter an email or domain name, and the tool will test mail servers.
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DNS Leak Test
dns-leak-test
DNS Leak test to detect DNS Leakage to unauthorized third-party DNS.
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DMARC Record Generator
DMARC Generator
Use DMARC wizard to generate a DMARC DNS Record for your domain.
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IPv6 AAAA Lookup
IPv6 AAAA Lookup
The AAAA record type of the DNS is a 128-bit IPv6 address that maps to a hostname.
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TLS RPT Generator
dns-lookup
TLS RPT Generator helps you create a valid TLS Reporting (TLS-RPT) DNS record, enabling visibility into email encryption issues and improving domain security.
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TLS RPT Lookup
TLS RPT Lookup
TLS-RPT checker validates your domain’s TLS-RPT record, spotting errors to ensure secure email delivery. It simplifies TLS issue monitoring, improving deliverability and security.
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BIMI Lookup and Generator
dns-lookup
Lookup A, AAAA, MX, NS, SOA and TXT records of a DNS Zone.
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DNS Reputation Check
dns-lookup
Lookup A, AAAA, MX, NS, SOA and TXT records of a DNS Zone.
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Reverse IP Lookup
dns-lookup
Lookup A, AAAA, MX, NS, SOA and TXT records of a DNS Zone.
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MTA STS Lookup
MTA STS Lookup
From the webpage: The tool shows the MTA-STS TXT record, including v=STSv1, policy ID, and mode, and verifies the policy file from the domain’s server.
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FCrDNS Lookup
FCrDNS Lookup
FCrDNS Lookup Tool checks forward-confirmed reverse DNS records, verifying IP-to-hostname mappings and enhancing email server trust, security, and deliverability.
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DNS Health Check
DNS Health Check
DNS Health Check Tool scans your domain’s DNS records to identify misconfigurations, security issues, or performance bottlenecks, ensuring optimal DNS performance and reliability.
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CNAME Lookup
CNAME Lookup
Check your domain’s CNAME records to ensure proper alias configuration for subdomains or redirects. This enhances DNS reliability and improves site accessibility.
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DKIM Record Generator
DKIM Record Generator
Use our DKIM Record Generator to create secure DNS records that authenticate your emails and prevent spoofing attacks.
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MX Validator
Validates and verifies email MX records to ensure proper mail server setup and reliable email delivery.
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DNSKEY Lookup
DNSKEY Lookup
Performs DNSKEY record lookup to validate DNSSEC keys and ensure secure domain name resolution.
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DNS LOC Lookup
A DNS LOC record provides geographic location information for a domain, specifying latitude, longitude, altitude, and accuracy parameters.
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DNS Propagation Checker
DNS Propagation Checker
A DNS Propagation Checker verifies how recent DNS changes have spread across multiple DNS servers worldwide.
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