Scripts

Collection of tools and scripts for various tasks

Tools

DNS TXT Record Verification Tool

A cross-platform command-line application to verify DNS TXT records. Works on macOS, Windows, and Linux.

Features

• ✅ Verify TXT record existence
• ✅ Compare actual vs expected values
• ✅ Support for multiple TXT records on the same domain
• ✅ Clear success/failure reporting
• ✅ Detailed error messages
• ✅ Cross-platform (macOS, Windows, Linux)

Installation

Prerequisites: Python 3.6 or higher

1. Install dependencies:

pip install -r requirements.txt

2. Make the script executable (macOS/Linux):

chmod +x verify_txt_record.py

Usage

Basic Usage:

python verify_txt_record.py <record_name> <expected_value>

Examples:

Verify an SPF record:

python verify_txt_record.py example.com "v=spf1 include:_spf.google.com ~all"

Verify a DMARC record:

python verify_txt_record.py _dmarc.example.com "v=DMARC1; p=reject;"

Verify a domain verification record:

python verify_txt_record.py verification.example.com "google-site-verification=ABC123"

Options:

• -v, --verbose: Show all TXT records found, even if verification succeeds
• --version: Show version information
• -h, --help: Show help message

Exit Codes

• 0: Verification successful (TXT record exists and matches expected value)
• 1: Verification failed (record not found, value mismatch, or DNS error)

Output Examples

Success:

Verifying TXT record for: example.com
------------------------------------------------------------
✓ TXT record verified successfully
  Record: example.com
  Value: v=spf1 include:_spf.google.com ~all
------------------------------------------------------------

Value Mismatch:

Verifying TXT record for: example.com
------------------------------------------------------------
✗ TXT record value mismatch
  Record: example.com
  Expected: v=spf1 wrong-value
  Found:
    [1] v=spf1 include:_spf.google.com ~all
------------------------------------------------------------

Domain Not Found:

Verifying TXT record for: nonexistent.example.com
------------------------------------------------------------
✗ Verification failed: Domain 'nonexistent.example.com' does not exist
------------------------------------------------------------

License

Apache License 2.0