Amazing-Python-Scripts

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# DNS VERIFIER
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import json
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import sys
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from collections import OrderedDict
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import dns.resolver
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def checker(dns_val=None) -> OrderedDict:
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    ip_values = None
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    avail = False
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    if dns_val is None:
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        raise ValueError("Sorry DNS not found, DNS is needed")
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    if isinstance(dns_val, str) is False:
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        raise TypeError("Sorry, \'DNS\' must be type \'str\'")
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    try:
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        output = dns.resolver.resolve(dns_val, 'A')
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        ip_values = [ipval.to_text() for ipval in output]
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    except dns.resolver.NXDOMAIN:
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        avail = True
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    return OrderedDict([
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        ("DNS", dns_val),
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        ("IP", ip_values),
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        ("AVAIL", avail),
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    ])
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if __name__ == '__main__':
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    dns_val = None
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    option = None
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    print("Enter the DNS:")
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    dns_val = input()
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    try:
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        response = checker(dns_val=dns_val)
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    except Exception as err:
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        print(f"error: {err}")
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        sys.exit(1)
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    print(json.dumps(response, indent=4))
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    sys.exit(0)
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