import dns.query
import dns.zone

def get_dns_serial(zone_name, nameserver):
    try:
        # Query the nameserver for the zone
        response = dns.query.tcp(dns.message.make_query(zone_name, dns.rdatatype.SOA), nameserver)

        # Parse the response
        answer = dns.zone.from_text(response.answer[0].to_text(), zone_name)
        serial = answer.get_rdataset(zone_name, dns.rdatatype.SOA)[0].serial

        return serial
    except Exception as e:
        print(f"Error: {e}")
        return None

# Example usage
zone_name = "0x5e.eu"
nameserver = "ns1.it53.nl"  # Use the desired nameserver's IP address

serial = get_dns_serial(zone_name, nameserver)
if serial:
    print(f"The DNS serial for {zone_name} is {serial}")
else:
    print(f"Failed to fetch DNS serial for {zone_name}")