[TryHackMe] DNS Inspection and Reconnaissance Takeaway

 1) Manual Discovery

whois (whois tryhackme.com)

nslookup (nslookup -type=MX tryhackme.com 8.8.4.4)

dig (dig @8.8.4.4 tryhackme.com MX)

2) Automated Discovery

gobuster (gobuster dns -d DOMAIN -w /usr/share/seclists/Discovery/DNS/namelist.txt)

3) OSINT

DNS Dumpster (https://dnsdumpster.com/)

Shodan (https://www.shodan.io/)