Skip to content

# Registrar

The tool to check the availability or syntax of domain, IP or URL.

::

    ██████╗ ██╗   ██╗███████╗██╗   ██╗███╗   ██╗ ██████╗███████╗██████╗ ██╗     ███████╗
    ██╔══██╗╚██╗ ██╔╝██╔════╝██║   ██║████╗  ██║██╔════╝██╔════╝██╔══██╗██║     ██╔════╝
    ██████╔╝ ╚████╔╝ █████╗  ██║   ██║██╔██╗ ██║██║     █████╗  ██████╔╝██║     █████╗
    ██╔═══╝   ╚██╔╝  ██╔══╝  ██║   ██║██║╚██╗██║██║     ██╔══╝  ██╔══██╗██║     ██╔══╝
    ██║        ██║   ██║     ╚██████╔╝██║ ╚████║╚██████╗███████╗██████╔╝███████╗███████╗
    ╚═╝        ╚═╝   ╚═╝      ╚═════╝ ╚═╝  ╚═══╝ ╚═════╝╚══════╝╚═════╝ ╚══════╝╚══════╝

Provides our registrar extractor.

Author: Nissar Chababy, @funilrys, contactTATAfunilrysTODTODcom

Special thanks: https://pyfunceble.github.io/#/special-thanks

Contributors: https://pyfunceble.github.io/#/contributors

Project link: https://github.com/funilrys/PyFunceble

Project documentation: https://docs.pyfunceble.com

Project homepage: https://pyfunceble.github.io/

License: ::

    Copyright 2017, 2018, 2019, 2020, 2022, 2023, 2024, 2025 Nissar Chababy

    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at

        https://www.apache.org/licenses/LICENSE-2.0

    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.

## `RegistrarExtractor`

Bases: `ConverterBase`

Provides an interface for the extraction of the registrar.

Source code in `PyFunceble/query/whois/converter/registrar.py`

     59
     60
     61
     62
     63
     64
     65
     66
     67
     68
     69
     70
     71
     72
     73
     74
     75
     76
     77
     78
     79
     80
     81
     82
     83
     84
     85
     86
     87
     88
     89
     90
     91
     92
     93
     94
     95
     96
     97
     98
     99
    100
    101
    102
    103
    104
    105
    106
    107
    108
    109
    110
    111
    112
    113
    114
    115
    116
    117
    118
    119
    120
    121
    122
    123
    124
    125
    126
    127
    128
    129
    130
    131
    132
    133
    134
    135
    136
    137
    138
    139
    140
    141
    142

    class RegistrarExtractor(ConverterBase):
        """
        Provides an interface for the extraction of the registrar.
        """

        PATTERNS: List[str] = [
            r"authorized\s+agency(\s+|):(.*)",
            r"domain\s+support(\s+|):(.*)",
            r"registrar\s+name(\s+|):(.*)",
            r"registrar_name(\s+|):(.*)",
            r"registrar(\s+|):(.*)",
            r"registrar\.+(\s+|):(.*)",
            r"registration\s+service\s+provider(\s+|):(.*)",
            r"sponsoring\s+registrar(\s+|):(.*)",
            r"sponsoring\s+registrar\s+organization(\s+|):(.*)",
        ]

        _regex_helper: Optional[RegexHelper] = None

        @property
        def regex_helper(self) -> "RegexHelper":
            """
            Provides the regex helper to use.
            """

            if self._regex_helper is None:
                self._regex_helper = RegexHelper()

            return self._regex_helper

        @ConverterBase.data_to_convert.setter
        def data_to_convert(self, value: Any) -> None:
            """
            Sets the data to convert and work with.

            :param value:
                The record to work with.

            :raise TypeError:
                When the given data to convert is not :py:class:`str`.
            :raise ValueError:
                When the given :code:`value` is empty.
            """

            if not isinstance(value, str):
                raise TypeError(f"<value> should be {str}, {type(value)} given.")

            if not value:
                raise ValueError("<value> should not be empty.")

            # pylint: disable=no-member
            super(RegistrarExtractor, self.__class__).data_to_convert.fset(self, value)

        def __get_line(self) -> Optional[str]:
            """
            Tries to get the registrar line from the given record.
            """

            for regex in self.PATTERNS:
                registrar_line = self.regex_helper.set_regex(r"(?i)" + regex).match(
                    self.data_to_convert, return_match=True, rematch=True, group=0
                )

                if not registrar_line:
                    continue

                return registrar_line
            return None

        @ConverterBase.ensure_data_to_convert_is_given
        def get_converted(self) -> Optional[str]:
            """
            Provides the registrar of the record (if found).
            """

            registrar_line = self.__get_line()

            if registrar_line:
                try:
                    return [x.strip() for x in registrar_line if x.strip()][0]
                except IndexError:
                    pass

            return None

### `regex_helper` `property`

Provides the regex helper to use.

### `__get_line()`

Tries to get the registrar line from the given record.

Source code in `PyFunceble/query/whois/converter/registrar.py`

    112
    113
    114
    115
    116
    117
    118
    119
    120
    121
    122
    123
    124
    125
    126

    def __get_line(self) -> Optional[str]:
        """
        Tries to get the registrar line from the given record.
        """

        for regex in self.PATTERNS:
            registrar_line = self.regex_helper.set_regex(r"(?i)" + regex).match(
                self.data_to_convert, return_match=True, rematch=True, group=0
            )

            if not registrar_line:
                continue

            return registrar_line
        return None

### `data_to_convert(value)`

Sets the data to convert and work with.

Parameters:

Name | Type | Description | Default
--- | --- | --- | ---
`value` | `Any` | The record to work with. | required

Raises:

Type | Description
--- | ---
`TypeError` | When the given data to convert is not class:`str`.
`ValueError` | When the given :code:`value` is empty.

Source code in `PyFunceble/query/whois/converter/registrar.py`

     89
     90
     91
     92
     93
     94
     95
     96
     97
     98
     99
    100
    101
    102
    103
    104
    105
    106
    107
    108
    109
    110

    @ConverterBase.data_to_convert.setter
    def data_to_convert(self, value: Any) -> None:
        """
        Sets the data to convert and work with.

        :param value:
            The record to work with.

        :raise TypeError:
            When the given data to convert is not :py:class:`str`.
        :raise ValueError:
            When the given :code:`value` is empty.
        """

        if not isinstance(value, str):
            raise TypeError(f"<value> should be {str}, {type(value)} given.")

        if not value:
            raise ValueError("<value> should not be empty.")

        # pylint: disable=no-member
        super(RegistrarExtractor, self.__class__).data_to_convert.fset(self, value)

### `get_converted()`

Provides the registrar of the record (if found).

Source code in `PyFunceble/query/whois/converter/registrar.py`

    128
    129
    130
    131
    132
    133
    134
    135
    136
    137
    138
    139
    140
    141
    142

    @ConverterBase.ensure_data_to_convert_is_given
    def get_converted(self) -> Optional[str]:
        """
        Provides the registrar of the record (if found).
        """

        registrar_line = self.__get_line()

        if registrar_line:
            try:
                return [x.strip() for x in registrar_line if x.strip()][0]
            except IndexError:
                pass

        return None