You work as a Network Security Analyzer. You got a suspicious email while working on a forensic project. Now, you want to know the IP address of the sender so that you can analyze various information such as the actual location, domain information, operating system being used, contact information, etc. of the email sender with the help of various tools and resources. You also want to check whether this email is fake or real. You know that analysis of email headers is a good starting point in such cases. The email header of the suspicious email is given below:
What is the IP address of the sender of this email?

Suggested Answer: D
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12 comments · newest first
VI
Viki
11 months ago
I thought 172.16.10.90 was a private IP?
CA
Caprice
11 months ago
141.1.1.1 looks suspicious too.
EL
Elenora
11 months ago
Wait, are we sure about that?
WI
Willie
11 months ago
Totally agree, that's the one!
GE
Gerald
12 months ago
The sender's IP is 209.191.91.180.
LA
Lashawnda
12 months ago
I’m a bit confused about the private IPs like 172.16.10.90. I don’t think that one could be the sender’s IP, right?
DO
Dorthy
12 months ago
I feel like I’ve seen a similar question before, and I think the correct IP was one of the first ones listed.
JE
Jeannetta
1 year ago
I think the sender's IP is usually listed in the "Received" section of the header. I should double-check that part.
OR
Oren
1 year ago
I remember we practiced identifying IP addresses in email headers, but I’m not entirely sure which one it is here.
CA
Carli
1 year ago
I'm pretty confident I know the answer to this one. Clustered Base Tables are tables that contain sorted data using one to four columns, right? That's option B.
ME
Melissa
1 year ago
X.509 is the standard for digital certificates, so that's got to be the answer. I'm confident in that one.
MI
Misty
1 year ago
This seems pretty straightforward. I'll just need to be careful to account for all the cash disbursements and make sure I don't miss anything. I think I can get this one right.