import dns.resolver

res = dns.resolver.get_default_resolver()
print("Nameservers in use:", res.nameservers)

try:
    answers = dns.resolver.resolve('_mongodb._tcp.swiftquery.itavzao.mongodb.net', 'SRV')
    print("Resolution Successful!")
    for r in answers:
        print(f"Target: {r.target} Port: {r.port}")
except Exception as e:
    print(f"Resolution Failed: {e}")