Blog DNS Hijacking: How to Identify and Protect Against It

A records

Cloudflare, Inc.
104.20.209.21   3
104.20.208.21   3

MX records

NS records

SOA records

ttl: 10,000
email: dns@cloudflare.com14,108,187

TXT

v=spf1 a mx include:sendgrid.net ~all