DNS Record Generator

# Generate DNS zone file records programmatically
from dataclasses import dataclass
from typing import Optional

@dataclass
class DnsRecord:
    name: str
    record_type: str
    value: str
    ttl: int = 3600
    priority: Optional[int] = None  # For MX records

    def to_zone_line(self) -> str:
        if self.priority is not None:
            return f"{self.name}\t{self.ttl}\tIN\t{self.record_type}\t{self.priority}\t{self.value}"
        return f"{self.name}\t{self.ttl}\tIN\t{self.record_type}\t{self.value}"

records = [
    DnsRecord("@",    "A",     "93.184.216.34"),
    DnsRecord("www",  "CNAME", "example.com."),
    DnsRecord("@",    "MX",    "mail.example.com.", priority=10),
    DnsRecord("@",    "TXT",   '"v=spf1 mx ~all"'),
    DnsRecord("mail", "A",     "93.184.216.35"),
]

print("$ORIGIN example.com.")
print("$TTL 3600")
for record in records:
    print(record.to_zone_line())