References

1- FreeMind

2- Xmind

3- Dradis

4- MagicTree

5- Methodology ( PDF )

6- Google Operators #1

7- Google Operators #2

8- Google Operators #3

9- Google Operators #4

10- Edgar

11- theHarvester

12- Archive

13- Whois

14- Whois tool #1

15- Whois tool #2

16- Whois tool #3

17- Nslookup

18- Nslookup online

19- Dnsqueries

20- MxToolBox

21- Dig

22- Domain Neighbors

23- Domain Tools

24- Robtex

25- Fping

26- Nmap

27- Maltego

28- Dnsdumpster

29- DNSenum

30- Dnsmap

31- Foca