1 00:00:01,350 --> 00:00:02,670 Hello and welcome back. 2 00:00:02,820 --> 00:00:06,360 So let's continue with our networking command. 3 00:00:06,570 --> 00:00:10,050 So the first command that we are going to see is who is. 4 00:00:10,080 --> 00:00:18,670 Now, this command is helpful to identify and display the information about any specific domain. 5 00:00:18,690 --> 00:00:21,810 So let's say we want to know information about Google. 6 00:00:21,960 --> 00:00:27,510 So you simply have to type who is space Google.com. 7 00:00:27,750 --> 00:00:32,550 And you can see we have got a huge output onto our screen. 8 00:00:32,820 --> 00:00:35,730 Let's quickly understand the output. 9 00:00:36,480 --> 00:00:41,970 So the first thing that we can see over here is the domain name and the top level domain is com. 10 00:00:42,000 --> 00:00:42,780 All right. 11 00:00:43,170 --> 00:00:45,180 You can see the address. 12 00:00:45,930 --> 00:00:50,610 The address is us and you can see a lot of more other details. 13 00:00:50,910 --> 00:00:57,930 And let's quickly scroll down and let's see what are the other details that have been given over here. 14 00:00:57,960 --> 00:01:01,890 You can see the name server, which is N's one dot google.com. 15 00:01:02,010 --> 00:01:10,890 We have different four name servers which are been assigned to Google.com, the domain name and a lot 16 00:01:10,890 --> 00:01:12,420 of other information. 17 00:01:12,810 --> 00:01:18,810 Let's quickly clear the screen and let's see the same result for Facebook.com. 18 00:01:19,450 --> 00:01:21,830 So who is facebook.com? 19 00:01:21,850 --> 00:01:22,960 Is the command? 20 00:01:23,560 --> 00:01:27,280 You can see over here the admin email address domain at the rate. 21 00:01:27,460 --> 00:01:28,510 FB dot com. 22 00:01:29,140 --> 00:01:36,340 Facebook IMC is the tech organization that checks street city state postal code, etc.. 23 00:01:36,760 --> 00:01:43,060 Again, the tech email, the same email address, the name server which is a c dot and start facebook.com 24 00:01:43,060 --> 00:01:43,810 and so on. 25 00:01:44,500 --> 00:01:53,140 So this way one can know and identify some of the details about any organization from the command, 26 00:01:53,140 --> 00:01:54,490 which is who is. 27 00:01:55,090 --> 00:02:01,570 Let's move ahead to the next command that we are going to see, which is the Digg command. 28 00:02:02,170 --> 00:02:10,180 Now, one thing you should remember, which is Digg is very, very helpful to identify information about 29 00:02:10,180 --> 00:02:13,190 the domain name and the DNS of it. 30 00:02:13,210 --> 00:02:19,960 So DNS stands for Domain Name System, and there are multiple records into the DNS records which are 31 00:02:19,960 --> 00:02:23,140 being helpful for any domain name. 32 00:02:23,140 --> 00:02:29,440 And we are going to enumerate those DNS records with the help of the command, which is Digg. 33 00:02:30,280 --> 00:02:36,910 So for that, you simply need to type the command Digg and the domain name you want to identify information 34 00:02:36,910 --> 00:02:37,630 about. 35 00:02:37,810 --> 00:02:41,050 So let's quickly right here, Facebook.com. 36 00:02:42,170 --> 00:02:43,340 And hit enter. 37 00:02:43,730 --> 00:02:50,900 And you can see over here we have got the output, the Digg version, facebook.com, and we have the 38 00:02:50,900 --> 00:02:59,030 output over here which says the a record is this the query time took 58 milliseconds, etc. and this 39 00:02:59,030 --> 00:03:04,880 is the DNS server, which is the default Google DNS server through which the request was sent. 40 00:03:05,060 --> 00:03:10,700 But one important thing to notice over here is the a record of the server. 41 00:03:11,000 --> 00:03:19,250 Now let's clear the screen and let's see the different records for different organizations. 42 00:03:19,250 --> 00:03:26,120 So let's say we want to see the details about Apple.com and we want to see the CE name record. 43 00:03:26,300 --> 00:03:30,890 So for that we need to type dig C name and the domain name. 44 00:03:30,890 --> 00:03:37,640 So dig C name, Apple.com and we can see we have got the details over here. 45 00:03:38,240 --> 00:03:45,710 Now, this is the details for the authority section where you can see the details about what has been 46 00:03:45,710 --> 00:03:46,730 given over here. 47 00:03:47,180 --> 00:03:52,820 Let me just clear this and let's try on another target, which is hack to find out in. 48 00:03:54,210 --> 00:04:00,860 And here you can see we have the server hosted on NYM chip hosting. 49 00:04:00,870 --> 00:04:10,140 Hence we are able to see this result in case the domain name has been pointed to cloud services like 50 00:04:10,500 --> 00:04:11,000 a w. 51 00:04:11,010 --> 00:04:12,840 S you should have been seeing. 52 00:04:12,840 --> 00:04:21,060 Here is the S3 bucket or if it has been pointed to Azure, you must have seen Azure or GitHub. 53 00:04:21,630 --> 00:04:23,220 So I hope you guys understood this. 54 00:04:23,400 --> 00:04:26,640 Similarly, you can see different records as well. 55 00:04:26,640 --> 00:04:28,740 So let's say dig Max. 56 00:04:28,740 --> 00:04:36,180 And in this case we want to see the Amex records and we are using Google Mail for our mails. 57 00:04:36,330 --> 00:04:43,200 Hence, you can see here the answer section and you can see the max records point to Google dot com. 58 00:04:43,380 --> 00:04:48,600 Similarly if you dig max for SendGrid. 59 00:04:49,550 --> 00:04:53,440 Now they are their own service. 60 00:04:53,450 --> 00:04:56,030 Now they have their own service for email. 61 00:04:56,030 --> 00:05:00,680 And you can see this may be their personal email servers. 62 00:05:00,680 --> 00:05:06,460 So I hope you guys understood this, how you can see information about the DNS records using the date 63 00:05:06,500 --> 00:05:06,940 command. 64 00:05:06,950 --> 00:05:07,610 Thank you.