在IP后面直接加上 .nip.io 就可以指向该IP访问了,比如 15.165.175.249.nip.io 就会指向这个IP,绑定域名到网站就可以访问

nip.io
Dead simple wildcard DNS for any IP Address
Stop editing your etc/hosts file with custom hostname and IP address mappings.

nip.io allows you to do that by mapping any IP Address to a hostname using the following formats:

Without a name:

10.0.0.1.nip.io maps to 10.0.0.1
192-168-1-250.nip.io maps to 192.168.1.250
0a000803.nip.io maps to 10.0.8.3
With a name:

app.10.8.0.1.nip.io maps to 10.8.0.1
app-116-203-255-68.nip.io maps to 116.203.255.68
app-c0a801fc.nip.io maps to 192.168.1.252
customer1.app.10.0.0.1.nip.io maps to 10.0.0.1
customer2-app-127-0-0-1.nip.io maps to 127.0.0.1
customer3-app-7f000101.nip.io maps to 127.0.1.1
nip.io maps <anything>[.-]<IP Address>.nip.io in "dot", "dash" or "hexadecimal" notation to the corresponding <IP Address>:

dot notation: magic.127.0.0.1.nip.io
dash notation: magic-127-0-0-1.nip.io
hexadecimal notation: magic-7f000001.nip.io
The "dash" and "hexadecimal" notation is especially useful when using services like LetsEncrypt as it's just a regular sub-domain of nip.io

About this service
nip.io is powered by PowerDNS with a simple, custom PipeBackend written in Python: backend.py

It's open source, licensed under Apache 2.0: https://github.com/exentriquesolutions/nip.io — pull requests are welcome.

This is a free service provided by Exentrique Solutions (the same people who run XP-Dev.com which offer Git, Mercurial and Subversion hosting).

Feedback is appreciated, just raise an issue in GitHub .

Troubleshooting
DNS Rebinding Protection
Some DNS resolvers, forwarders and routers have DNS rebinding protection which may result in failure to resolve local and private IP addresses. This service won't work in those situations.

Related Services
localtls: A DNS server in Python3 to provide TLS to webservices on local addresses. It resolves addresses such as '192-168-0-1.yourdomain.net' to 192.168.0.1 and has a valid TLS certificate for them.
sslip.io: Alternative to this service, supports IPv6 and custom domains.
local.gd: Alternative to this service, where everything is mapped to localhost/127.0.0.1.

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