lets upgrage Cyber Security

Name :- Lucky Borana

Question 1: Find out the mail servers of the following domain : Ibm.com Wipro.com Answer 1:- Ibm.com 148.163.158.5 148.163.158.1 Wipro.com 104.47.126.36

Question 2: Find the locations, where these email servers are hosted.

Answer:-

Wipro ip:-

It is hosted by: Microsoft Corporation

Organization name: Microsoft Corporation

IP addres: 104.47.126.36

AS(autonomous system) number and organization: AS8075 Microsoft Corporation

AS name: MICROSOFT-CORP-MSN-AS-BLOCK

City: Busan

Country: South Korea

Ibm.com

It is hosted by: Proofpoint, Inc.

Organization name: Proofpoint, Inc.

IP addres: 148.163.158.1

AS(autonomous system) number and organization: AS22843 Proofpoint, Inc.

AS name: PROOFPOINT-ASN-US-EAST

City: Atlanta

Country: United States

Question 3: Scan and find out port numbers open 203.163.246.23

Answer:- Time wait and time out

Question 4: Install nessus in a VM and scan your laptop/desktop for CVE. Answer:- yes done see the below image