🚀 New Toolkit

WebShanks Mail & DNS Toolkit

Free email, DNS and server diagnostic tools for checking SPF, DKIM, DMARC, MX, DNSSEC, TXT, NS, SOA, CAA, Reverse DNS and open ports.

11 Free Tools
3 Categories
100% Free

⭐ Featured Tools

Email Authentication

SPF Checker

Check and validate SPF records for any domain.

Difficulty: Easy
Time: 10 seconds
Open Tool →
Email Authentication

DKIM Checker

Check DKIM records for a domain using a selector.

Difficulty: Medium
Time: 15 seconds
Open Tool →
Email Authentication

DMARC Checker

Check and analyze DMARC records for any domain.

Difficulty: Easy
Time: 10 seconds
Open Tool →
Email Authentication

MX Lookup

Lookup Mail Exchange (MX) records for any domain.

Difficulty: Easy
Time: 10 seconds
Open Tool →

🌐 DNS

DNS

CAA Lookup

Lookup Certification Authority Authorization (CAA) records for any domain.

Difficulty: Easy
Time: 10 seconds
Open Tool →
DNS

DNSSEC Checker

Check whether a domain has DNSSEC-related records.

Difficulty: Medium
Time: 10 seconds
Open Tool →
DNS

NS Lookup

Lookup nameserver records for any domain.

Difficulty: Easy
Time: 10 seconds
Open Tool →
DNS

Reverse DNS Checker

Check whether an IP address has a valid PTR (Reverse DNS) record.

Difficulty: Easy
Time: 10 seconds
Open Tool →
DNS

SOA Lookup

Lookup Start of Authority (SOA) records for any domain.

Difficulty: Easy
Time: 10 seconds
Open Tool →
DNS

TXT Lookup

Lookup TXT records for any domain.

Difficulty: Easy
Time: 10 seconds
Open Tool →

📧 Email Authentication

Email Authentication

DKIM Checker

Check DKIM records for a domain using a selector.

Difficulty: Medium
Time: 15 seconds
Open Tool →
Email Authentication

DMARC Checker

Check and analyze DMARC records for any domain.

Difficulty: Easy
Time: 10 seconds
Open Tool →
Email Authentication

MX Lookup

Lookup Mail Exchange (MX) records for any domain.

Difficulty: Easy
Time: 10 seconds
Open Tool →
Email Authentication

SPF Checker

Check and validate SPF records for any domain.

Difficulty: Easy
Time: 10 seconds
Open Tool →

🔌 Server Tools

Server Tools

Port Checker

Check whether a TCP port is open from your web server.

Difficulty: Easy
Time: 10 seconds
Open Tool →