dnsrmon

DNS Record Monitor

Monitors changes in DNS records on DNS servers and sends an email when anything is different.

Requirements

• PHP
• MySQL
• Port 53 open outbound

Installation

1. cd /var/www
2. git clone https://github.com/ctrl-freak/dnsrmon.git
3. Import dnsrmon.sql to create database and tables
4. Create MySQL user with full access to database
5. cd dnsrmon
6. cp example.config.php config.php
7. Edit config.php with SQL and SMTP details
8. cd lib/
9. git clone https://github.com/purplepixie/phpdns
10. git clone https://github.com/PHPMailer/PHPMailer
11. Set up a cron job:
    crontab -e
*/5 * * * * wget -qO- http://localhost/dnsrmon/?cron --delete-after &> /dev/null
12. Add a server in the dnsservers table:
    INSERT INTO 'dnsservers' ('address', 'label', 'enabled') VALUES ('8.8.8.8', 'Google', 1);
13. Add DNS records to domains table