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About the softether.net Dynamic DNS Service
The softether.net Dynamic DNS Service is a
Dynamic DNS (DDNS)
service. The service is provided by SoftEther Project,
University of
Tsukuba, Japan since March 8, 2013 for academic purpose. This service
allows anyone to register a unique hostname to the "softether.net"
domain with associated IPv4 and IPv6 address. This service is free of
charge and is provided without warranty of any kind.
SoftEther VPN Server
he softether.net Dynamic DNS Service is designed to use with
SoftEther VPN Server, an open-source free cross-platform multi-protocol
VPN server. The Dynamic DNS Client is built-in in the SoftEther VPN
Server service. The Dynamic DNS function assigns a world-wide unique
identifier on your SoftEther VPN Server. Your global IP address of
SoftEther VPN Server will follow dynamic IP address changes. If the IP
address of SoftEther VPN Server suddenly changed, the IP address record
which is registered to the Dynamic DNS hostname changes automatically
and immediately. A VPN client user can specify the Dynamic DNS hostname
as the destination VPN Server's hostname instead of the IP address. VPN
Clients and VPN Bridges can keep stable connections to your SoftEther
VPN Server even if the server-side Internet connection is not a static
IP address contracts. For more details, please refer
1.4. Built-in Dynamic DNS (*.softether.net).

The Dynamic DNS
function easy-setup screen.
Free and Academic Experiment Services
We provides the Dynamic DNS service as an academic experiment.
Therefore, there services can be used for free of charge. These services
are not parts any commercial products. These services are provided
without any warranty. The services may be suspended or discontinued by
technical or operational matters. In such occasions, users will not be
able to use the services. A user has to understand such risks, and to
acknowledge that such risks are borne by a user-self. SoftEther Project
will never be liable to results or damages of use or unable-to-use of
the service.
Anti-abuse Policy
Since the softether.net DDNS service is open for everyone, anyone can
register any IPv4 address or IPv6 address to the softether.net domain,
and we make efforts to keep the registered records correctly without any
intervention. In principle, we do not delete or modify registered
hostnames or IP addresses. However, we have the right to delete any
"malicious" hostnames from the softether.net domain at any time.
Additionally, we have the right to reject further registration requests
from specified IP addresses or users who are marked as malicious users
by our decisions.
We have the right to interfere (including deleting or modifying the
DDNS records) in the following cases:
- The web site on the IP address, which is associated to a DDNS
hostname in the softether.net domain, is providing malicious
contents to the Internet. ("malicious contents" includes malware,
phishing sites, pirated materials or other kinds of illegal
contents.)
- Any kind of servers which are hosted on the IP address, which is
associated to a DDNS hostname in the softether.net domain, is
performing any kind of illegal activities.
We will execute our right to delete or modify the registered DDNS
hostname after we confirm the fact that the hostname is abused, or after
the fact is be reported from authorities to us.
Report Abuse
If you find any "malicious" hostnames registered on the softether.net
DDNS domain name, please kindly report us about the facts by using the
following form. We will respond as soon as possible (in two business
days in average).
Your e-mail address:
The "malicious" DDNS hostname or HTTP URL, which is included in the
softether.net domain:
Comments:
Please input the string "CONFIRM" in the below box:
If you are unable to use the above report form, please kindly send
your report via the following e-mail address:
Administrator Contacts
Daiyuu Nobori
Department of Computer Science
Graduate School of Systems and Information Engineering
University of Tsukuba
Tennoudai 1-1-1, Tsukuba, Ibaraki, Japan 305-8573.

Monthly Statistics
The number of registered hostnames on the softether.net DDNS service
is as following.
- 2023/05: 7,345,825 hosts
- 2023/04: 7,271,624 hosts
- 2023/03: 7,180,946 hosts
- 2023/02: 7,090,165 hosts
- 2023/01: 6,997,565 hosts
- 2022/12: 6,901,613 hosts
- 2022/11: 6,810,040 hosts
- 2022/10: 6,716,719 hosts
- 2022/09: 6,623,924 hosts
- 2022/08: 6,544,769 hosts
- 2022/07: 6,477,721 hosts
- 2022/06: 6,417,882 hosts
- 2022/05: 6,360,057 hosts
- 2022/04: 6,293,753 hosts
- 2022/03: 6,223,285 hosts
- 2022/02: 6,153,584 hosts
- 2022/01: 6,089,738 hosts
- 2021/12: 6,030,757 hosts
- 2021/11: 5,970,899 hosts
- 2021/10: 5,914,703 hosts
- 2021/09: 5,856,278 hosts
- 2021/08: 5,792,407 hosts
- 2021/07: 5,729,755 hosts
- 2021/06: 5,670,729 hosts
- 2021/05: 5,614,713 hosts
- 2021/04: 5,554,526 hosts
- 2021/03: 5,492,066 hosts
- 2021/02: 5,419,535 hosts
- 2021/01: 5,346,941 hosts
- 2020/12: 5,252,834 hosts
- 2020/11: 5,177,310 hosts
- 2020/10: 5,106,712 hosts
- 2020/09: 5,036,590 hosts
- 2020/08: 4,973,145 hosts
- 2020/07: 4,903,162 hosts
- 2020/06: 4,833,322 hosts
- 2020/05: 4,762,558 hosts
- 2020/04: 4,685,512 hosts
- 2020/03: 4,597,486 hosts
- 2020/02: 4,506,954 hosts
- 2020/01: 4,329,085 hosts
- 2019/12: 4,265,288 hosts
- 2019/11: 4,194,741 hosts
- 2019/10: 4,113,168 hosts
- 2019/09: 4,026,408 hosts
- 2019/08: 3,936,584 hosts
- 2019/07: 3,841,195 hosts
- 2019/06: 3,729,372 hosts
- 2019/05: 3,615,551 hosts
- 2019/04: 3,503,242 hosts
- 2019/03: 3,395,171 hosts
- 2019/02: 3,295,777 hosts
- 2019/01: 3,210,120 hosts
- 2018/12: 3,126,321 hosts
- 2018/11: 3,020,315 hosts
- 2018/10: 2,913,471 hosts
- 2018/09: 2,835,446 hosts
- 2018/08: 2,735,362 hosts
- 2018/07: 2,649,886 hosts
- 2018/06: 2,564,368 hosts
- 2018/05: 2,451,250 hosts
- 2018/04: 2,272,144 hosts
- 2018/03: 2,201,557 hosts
- 2018/02: 2,119,189 hosts
- 2018/01: 2,039,177 hosts
- 2017/12: 1,927,151 hosts
- 2017/11: 1,792,081 hosts
- 2017/10: 1,738,519 hosts
- 2017/09: 1,691,796 hosts
- 2017/08: 1,649,464 hosts
- 2017/07: 1,606,911 hosts
- 2017/06: 1,430,035 hosts
- 2017/05: 1,280,153 hosts
- 2017/04: 1,172,784 hosts
- 2017/03: 1,126,727 hosts
- 2017/02: 1,087,075 hosts
- 2017/01: 1,054,799 hosts
- 2016/12: 1,022,218 hosts
- 2016/11: 985,297 hosts
- 2016/10: 948,658 hosts
- 2016/09: 911,857 hosts
- 2016/08: 873,840 hosts
- 2016/07: 836,227 hosts
- 2016/06: 796,703 hosts
- 2016/05: 754,081 hosts
- 2016/04: 719,061 hosts
- 2016/03: 687,996 hosts
- 2016/02: 657,070 hosts
- 2016/01: 629,481 hosts
- 2015/12: 600,518 hosts
- 2015/11: 575,593 hosts
- 2015/10: 547,887 hosts
- 2015/09: 521,691 hosts
- 2015/08: 495,867 hosts
- 2015/07: 470,404 hosts
- 2015/06: 446,997 hosts
- 2015/05: 424,380 hosts
- 2015/04: 400,477 hosts
- 2015/03: 376,389 hosts
- 2015/02: 350,766 hosts
- 2015/01: 326,218 hosts
- 2014/12: 301,388 hosts
- 2014/11: 279,625 hosts
- 2014/10: 258,791 hosts
- 2014/09: 238,078 hosts
- 2014/08: 216,085 hosts
- 2014/07: 196,463 hosts
- 2014/06: 179,545 hosts
- 2014/05: 162,790 hosts
- 2014/04: 147,628 hosts
- 2014/03: 132,405 hosts
- 2014/02: 115,969 hosts
- 2014/01: 102,594 hosts
- 2013/12: 86,540 hosts
- 2013/11: 75,483 hosts
- 2013/10: 64,750 hosts
- 2013/09: 55,054 hosts
- 2013/08: 46,042 hosts
- 2013/07: 38,133 hosts
- 2013/06: 31,623 hosts
- 2013/05: 27,036 hosts
- 2013/04: 20,129 hosts
- 2013/03: 12,029 hosts
- 2013/02: 5,903 hosts
- 2013/01: 4,896 hosts
- 2012/12: 3,581 hosts
- 2012/11: 1,680 hosts
- 2012/10: 443 hosts
- 2012/09: 101 hosts
- 2012/08: 25 hosts
Disclaimer
THE SERVICE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SERVICE OR THE USE OR OTHER DEALINGS IN THE SERVICE. THIS SERVICE IS
DEVELOPED IN JAPAN, AND DISTRIBUTED FROM JAPAN, UNDER JAPANESE LAWS. YOU
MUST AGREE IN ADVANCE TO USE, COPY, MODIFY, MERGE, PUBLISH, DISTRIBUTE,
SUBLICENSE, AND/OR SELL COPIES OF THIS SERVICE, THAT ANY JURIDICAL
DISPUTES WHICH ARE CONCERNED TO THIS SERVICE OR ITS CONTENTS, AGAINST US
(SOFTETHER PROJECT, SOFTETHER CORPORATION, DAIYUU NOBORI OR OTHER
SUPPLIERS), OR ANY JURIDICAL DISPUTES AGAINST US WHICH ARE CAUSED BY ANY
KIND OF USING, COPYING, MODIFYING, MERGING, PUBLISHING, DISTRIBUTING,
SUBLICENSING, AND/OR SELLING COPIES OF THIS SERVICE SHALL BE REGARDED AS
BE CONSTRUED AND CONTROLLED BY JAPANESE LAWS, AND YOU MUST FURTHER
CONSENT TO EXCLUSIVE JURISDICTION AND VENUE IN THE COURTS SITTING IN
TOKYO, JAPAN. YOU MUST WAIVE ALL DEFENSES OF LACK OF PERSONAL
JURISDICTION AND FORUM NON CONVENIENS. PROCESS MAY BE SERVED ON EITHER
PARTY IN THE MANNER AUTHORIZED BY APPLICABLE LAW OR COURT RULE.
softether.net Dynamic DNS Service by
SoftEther Project at University of Tsukuba, Japan.
Copyright © 2012-2023
SoftEther Project at University of Tsukuba,
Japan. All
Rights Reserved.
softether.net DDNS servers are hosted at Academic Computing & Communications
Center, University of Tsukuba, Japan.
Contact address:

Contact phone number:
+1 (650) 282-4455
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