from pathlib import Path
from typing import List, Tuple

def load_domains(path: Path) -> List[Tuple[str, int]]:
    """
    Возвращает список кортежей (host, port).
    Если порт не указан — 443.
    """
    result: List[Tuple[str, int]] = []
    for line in path.read_text(encoding='utf-8').splitlines():
        line = line.strip()
        if not line or line.startswith('#'):
            continue
        if ':' in line:
            host, port = line.split(':', 1)
            result.append((host.strip(), int(port)))
        else:
            result.append((line, 443))
    return result