from typing import List


async def hunter(records: List[str], ioc: str) -> bool:
    """Return if any record in a list of records matches a given IoC.

    :param records: A list of network records
    :type records: List[str]
    :param ioc: An indicator to check against record
    :type ioc: str
    :return: If any record in the list of records matches the IoC
    :rtype: bool
    """
    return any(ioc.lower() in record.lower() for record in records)