How To Get Fully Qualified Domain Name In Python

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Alright, listen up code cowboys and cowgirls! Today we're on a quest to wrangle the mighty Fully Qualified Domain Name (FQDN) using the power of Python!

Now, you might be thinking, "FQDN? What in the server room jargon is that?" Well, imagine you mosey on over to a friend's house for a barbeque. Their address might be something like "123 Elm Street." But that only gets you to the general area. The FQDN is like your friend's full address, including their house number, street name, and town – it pinpoints the exact location on the internet.

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Title How To Get Fully Qualified Domain Name In Python
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So, why do we need to lasso this FQDN in Python? There are many reasons, but here's a rootin' tootin' example: you're building a program that needs to chat with a specific server. Knowing the FQDN ensures you're sending your messages to the right virtual saloon!

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Saddling Up: Importing the socket Library

First things first, we need to import the socket library. This library is like our trusty steed – it allows Python to connect and chat with other computers across the network. Here's how to import it:

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Python
import socket
How To Get Fully Qualified Domain Name In Python
How To Get Fully Qualified Domain Name In Python

Hog-tying the FQDN with socket.getfqdn()

Now, onto the main event! We'll use the socket.getfqdn() function to snag that FQDN. This function is kind of like asking your server for its official hat-wearing, medal-holding title (which, in internet terms, is its FQDN). Here's the code:

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Python
hostname = "www.example.com"  # Replace with the hostname you want the FQDN for
fqdn = socket.getfqdn(hostname)
print(f"The FQDN for {hostname} is: {fqdn}")

This code first stores a hostname (like "www.example.com") in a variable. Then, it calls socket.getfqdn() and gives it the hostname as an argument. Finally, it prints the glorious FQDN!

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Hold Your Horses! Not all Hostnames are FQDNs

Now, there's a teensy snag we gotta watch out for. Not all hostnames are full-fledged FQDNs. Sometimes, you might just have a simple nickname for a server, like "mail" or "fileserver." In those cases, socket.getfqdn() might not return the full FQDN. But fear not, Pythonistas! There are other ways to wrangle the FQDN by diving deeper into DNS resolution (but that's a story for another campfire).

Yeehaw! You've wrangled the FQDN!

There you have it, partners! You've successfully used Python to capture the FQDN. Now you can use this newfound knowledge to impress your fellow programmers, or maybe even write the next internet sensation. Remember, with great power (like wielding the FQDN in Python) comes great responsibility. So use it wisely and ethically, and keep on codin'!

2021-06-26T00:06:55.401+05:30
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bbb.org https://www.bbb.org
epa.gov https://www.epa.gov
nytimes.com https://www.nytimes.com/wirecutter
census.gov https://www.census.gov
nist.gov https://www.nist.gov

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