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.github chore: update linter (#2699) 2025-10-30 13:02:35 +01:00
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certcrypto chore: update linter (#2699) 2025-10-30 13:02:35 +01:00
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lego logo

Automatic Certificates and HTTPS for everyone.

Lego

Let's Encrypt client and ACME library written in Go.

Go Reference Build Status Docker Pulls

lego is an independent, free, and open-source project, if you value it, consider supporting it! ❤️

Everybody thinks that the others will donate, but in the end, nobody does.

So if you think that lego is worth it, please consider donating.

Features

  • ACME v2 RFC 8555
  • Comes with about 170 DNS providers
  • Register with CA
  • Obtain certificates, both from scratch or with an existing CSR
  • Renew certificates
  • Revoke certificates
  • Robust implementation of ACME challenges:
    • HTTP (http-01)
    • DNS (dns-01)
    • TLS (tls-alpn-01)
  • SAN certificate support
  • CNAME support by default
  • Custom challenge solvers
  • Certificate bundling
  • OCSP helper function

Installation

How to install.

Usage

Documentation

Documentation is hosted live at https://go-acme.github.io/lego/.

DNS providers

Detailed documentation is available here.

Active24 Akamai EdgeDNS Alibaba Cloud DNS all-inkl
Amazon Lightsail Amazon Route 53 Anexia CloudDNS ArvanCloud
Aurora DNS Autodns Axelname Azion
Azure (deprecated) Azure DNS Baidu Cloud Beget.com
Binary Lane Bindman Bluecat BookMyName
Brandit (deprecated) Bunny Checkdomain Civo
Cloud.ru CloudDNS Cloudflare ClouDNS
CloudXNS (Deprecated) ConoHa v2 ConoHa v3 Constellix
Core-Networks CPanel/WHM Derak Cloud deSEC.io
Designate DNSaaS for Openstack Digital Ocean DirectAdmin DNS Made Easy
dnsHome.de DNSimple DNSPod (deprecated) Domain Offensive (do.de)
Domeneshop DreamHost Duck DNS Dyn
DynDnsFree.de Dynu EasyDNS Efficient IP
Epik Exoscale External program F5 XC
freemyip.com G-Core Gandi Gandi Live DNS (v5)
Glesys Go Daddy Google Cloud Google Domains
Hetzner Hosting.de Hostinger Hosttech
HTTP request http.net Huawei Cloud Hurricane Electric DNS
HyperOne IBM Cloud (SoftLayer) IIJ DNS Platform Service Infoblox
Infomaniak Internet Initiative Japan Internet.bs INWX
Ionos IPv64 iwantmyname (Deprecated) Joker
Joohoi's ACME-DNS KeyHelp Liara Lima-City
Linode (v4) Liquid Web Loopia LuaDNS
Mail-in-a-Box ManageEngine CloudDNS Manual Metaname
Metaregistrar mijn.host Mittwald myaddr.{tools,dev,io}
MyDNS.jp MythicBeasts Name.com Namecheap
Namesilo NearlyFreeSpeech.NET Netcup Netlify
Nicmanager NIFCloud Njalla Nodion
NS1 Octenium Open Telekom Cloud Oracle Cloud
OVH plesk.com Porkbun PowerDNS
Rackspace Rain Yun/雨云 RcodeZero reg.ru
Regfish RFC2136 RimuHosting RU CENTER
Sakura Cloud Scaleway Selectel Selectel v2
SelfHost.(de|eu) Servercow Shellrent Simply.com
Sonic Spaceship Stackpath Technitium
Tencent Cloud DNS Tencent EdgeOne Timeweb Cloud TransIP
UKFast SafeDNS Ultradns Variomedia VegaDNS
Vercel Versio.[nl|eu|uk] VinylDNS VK Cloud
Volcano Engine/火山引擎 Vscale Vultr webnames.ca
webnames.ru Websupport WEDOS West.cn/西部数码
Yandex 360 Yandex Cloud Yandex PDD Zone.ee
ZoneEdit Zonomi

If your DNS provider is not supported, please open an issue.