Linux: Script or program to verify a list of domains

I need a script or a program that will run under Centos Linux that will take as an input a text file listing a few hundred thousand web domains. The script will iterate through all domains and validate them. A domain is validated by checking whether it contains an MX and A records. If no MX and no A record is found, the domain is marked as 0, if either is found, it is marked with 1.

For example, the input file format can be:

[url removed, login to view]

[url removed, login to view]

[url removed, login to view]

And the script outputs a file of format:

(Meaning that [url removed, login to view] and [url removed, login to view] are valid, i.e. have MX or A records, and [url removed, login to view] does not have). The exact format of the input and output files is up to you. The script must be working in a way if it is restarted, it does not re-validate the domains it has already validated.

Since the actual connection to the domains to be validated takes time, the script must validate many domains at the same time. It must be possible to define how many domains the script validates at the same time.

The server in which the script must run, is running CENTOS 6.5 x86_64 to which I have root shell access. You will not get any access to the server. If you need to ensure compatibility with my server, feel free to ask more details.

Only make a bid if you can start now.

Habilidades: Programação C, Linux, Shell Script

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Acerca do Empregador:
( 591 comentários ) Turku, Thailand

ID do Projeto: #5299268

Concedido a:


Hello. More 20 years programming experience. I would like suggest perl script, if this suits you. Regards. ------------------------------------------------------------------------------------------------------------ Mais

$100 USD em 3 dias
(2 Comentários)

23 freelancers estão ofertando em média $141 nesse trabalho


Hi there, i am very interested to complete this project. please see my past reviews, lets complete this project

$100 USD em 1 dia
(249 Comentários)

Hello, I have over 9 years experience as an Linux admin. Please feel free to ask if you have any questions. Thank You

$147 USD in 3 dias
(213 Comentários)

Hi, i have a greate interest about this project. If you can give me the opportunity to progress this project, i will make best effort for this. I will wait for your response now. Thank you.

$60 USD em 1 dia
(5 Comentários)

Hello, I've done similar scripts in the past, I can have it ready in a couple days. Are you 100% set on bash? I know from experience that perl will work better/faster but I can do it in bash as well and just get the Mais

$150 USD in 4 dias
(22 Comentários)

hi, I can help you -------------------------------------------------------------------------------------------------------------------

$166 USD in 3 dias
(7 Comentários)

Hello, I have done a very similar script recently, you can take a look at my recommendations. Have a nice day and thank you for considering my offer.

$147 USD in 3 dias
(3 Comentários)

Hello, I work as a Linux/Unix system administrator for the past 10 years and have all the necessary skills and hands-on experience to complete the task. Hope to hear from you soon.

$88 USD in 3 dias
(6 Comentários)

Good day and thank you for reading my proposal. Microtronix has been in business now for 12 years and has 200 customers in 12 countries of the world. We also have offices in the USA and Guatemala, C.A. We work primaril Mais

$177 USD in 2 dias
(4 Comentários)

For some reason it won't let me post in the clarification board because I don't have reviews for the skills in this project (wtf?). Anyway, if your server has installed java (or if you accept java solutions at all), I Mais

$200 USD em 1 dia
(1 Comentário)

Hello there, I am an experienced IT Professional exploring cross platform server technologies from more than 7 years. My key areas of expertise primarily includes Server Security & Scripting. I have recently s Mais

$100 USD em 1 dia
(1 Comentário)

Hello, I've been managing the whole set of domain names of an international brand and already performed those type of automated checks. My solution would rely on standard tools/librairies available on CentOS through yo Mais

$166 USD in 5 dias
(1 Comentário)

Hi, I have 5 year experience about Linux and DNS hosting. I can complete your task with bash shell. Because I'm newcommer, i will downgrade the price for you Pls contact me Tks

$111 USD in 2 dias
(1 Comentário)

A proposal has not yet been provided

$155 USD in 3 dias
(0 Comentários)

Предложение еще не подано

$133 USD in 4 dias
(0 Comentários)

Can develop a script to spawn multiple script running in background to carryout required functionality. But, using programming language like java we can be really creative and can provide a lot of additional added ben Mais

$150 USD in 3 dias
(0 Comentários)

This project can do using Java or PHP. I will show you using Application or Web , where you can list and manage your domains. I think you will nedd Login and Password for manage it too

$444 USD in 3 dias
(0 Comentários)

I can do this in python 2.7 very fast. You will need to have dnspython module installed on the server: With root access: yum -y install python-pip pip install dnspython Please let me know if this is setup properl Mais

$90 USD em 1 dia
(0 Comentários)

Hi, I read this job with great interest.. as you can read in my profile, i work as sysadmin and programmer in open source architectures for many years, and often I have already addressed issues you suggest and I Mais

$166 USD in 3 dias
(0 Comentários)

Dear jv16, I've already written a similar script in my past work on linux (see portfolio if you care) and have now adapted it for your use as an exercise (example run at the end). Most of the time was spent hunting Mais

$80 USD em 1 dia
(0 Comentários)

Hello, I have worked something similar before in Bash. In fact, I have validated other DNS records and webpage strings. Also, if you need interactive functionality to provide parameters I can do it. It will be a Mais

$177 USD em 1 dia
(0 Comentários)