Bitcoin Seed DNS Querier

tools/.gitignore

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+Bitcoin_DNS_Seed_Results

tools/Bitcoin_DNS_Seed_Install_Dependencies.sh

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+python3 -m pip install dnspython

tools/Bitcoin_DNS_Seed_Query.py

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+import os
+import dns.resolver
+
+def main():
+	# Define the DNS seeds
+	dns_seeds = [
+		'seed.bitcoin.sipa.be', # Pieter Wuille, only supports x1, x5, x9, and xd
+		'dnsseed.bluematt.me', # Matt Corallo, only supports x9
+		'dnsseed.bitcoin.dashjr.org', # Luke Dashjr
+		'seed.bitcoinstats.com', # Christian Decker, supports x1 - xf
+		'seed.bitcoin.jonasschnelli.ch', # Jonas Schnelli, only supports x1, x5, x9, and xd
+		'seed.btc.petertodd.net', # Peter Todd, only supports x1, x5, x9, and xd
+		'seed.bitcoin.sprovoost.nl', # Sjors Provoost
+		'dnsseed.emzy.de', # Stephan Oeste
+		'seed.bitcoin.wiz.biz' # Jason Maurice
+	]
+
+	# Create directory for DNS Seed Results if it doesn't exist
+	dir_path = 'Bitcoin_DNS_Seed_Results'
+	os.makedirs(dir_path, exist_ok=True)
+
+	# Process each DNS seed
+	for seed in dns_seeds:
+		print('Querying seed:', seed)
+		results = query_dns_seed_detailed(seed)
+		file_path = os.path.join(dir_path, f'{seed}.txt')
+		with open(file_path, 'w') as f:
+			for line in results:
+				f.write(line + '\n')
+
+# Query each DNS seed
+def query_dns_seed_detailed(seed_hostname):
+	result = []
+	resolver = dns.resolver.Resolver()
+	#resolver.nameservers = ['8.8.8.8']  # Using Google's DNS
+	resolver.nameservers = ['1.1.1.1']  # Using Cloudflare's DNS
+
+	resolver.timeout = 10  # Increase timeout to 10 seconds
+	resolver.lifetime = 10  # Set the total query lifetime to 10 seconds
+
+	# Query for A records (IPv4)
+	try:
+		answers_ipv4 = resolver.resolve(seed_hostname, 'A')
+		for rdata in answers_ipv4:
+			result.append(str(rdata))
+	except dns.resolver.NoAnswer:
+		result.append('No IPv4 addresses found.')
+
+	# Query for AAAA records (IPv6)
+	try:
+		answers_ipv6 = resolver.resolve(seed_hostname, 'AAAA')
+		for rdata in answers_ipv6:
+			result.append(str(rdata))
+	except dns.resolver.NoAnswer:
+		result.append('No IPv6 addresses found.')
+
+	return result
+
+if __name__ == '__main__':
+	main()