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.github chore: update linter (#2857) 2026-02-17 23:34:27 +01:00
acme chore: update linter (#2857) 2026-02-17 23:34:27 +01:00
certcrypto fix: use IPs to define the main domain (#2817) 2026-01-28 18:41:23 +01:00
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cmd Add DNS provider for FusionLayer NameSurfer (#2852) 2026-02-15 02:22:35 +00:00
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README.md Add DNS provider for FusionLayer NameSurfer (#2852) 2026-02-15 02:22:35 +00:00

lego logo

Automatic Certificates and HTTPS for everyone.

Lego

ACME client and library for Let's Encrypt and other ACME CAs 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 180 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.

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

35.com/三五互联 Active24 Akamai EdgeDNS Alibaba Cloud DNS
AlibabaCloud ESA all-inkl Alwaysdata 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 Bluecat v2 BookMyName
Brandit (deprecated) Bunny Checkdomain Civo
Cloud.ru CloudDNS Cloudflare ClouDNS
CloudXNS (Deprecated) ConoHa v2 ConoHa v3 Constellix
Core-Networks CPanel/WHM DDnss (DynDNS Service) Derak Cloud
deSEC.io Designate DNSaaS for Openstack Digital Ocean DirectAdmin
DNS Made Easy DNSExit dnsHome.de DNSimple
DNSPod (deprecated) Domain Offensive (do.de) Domeneshop DreamHost
Duck DNS Dyn DynDnsFree.de Dynu
EasyDNS EdgeCenter Efficient IP Epik
Exoscale External program F5 XC freemyip.com
FusionLayer NameSurfer G-Core Gandi Gandi Live DNS (v5)
Gigahost.no Glesys Go Daddy Google Cloud
Google Domains Gravity Hetzner Hosting.de
Hosting.nl 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
Ionos Cloud IPv64 ISPConfig 3 ISPConfig 3 - Dynamic DNS (DDNS) Module
iwantmyname (Deprecated) JD Cloud 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 Neodigit 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 Syse
Technitium Tencent Cloud DNS Tencent EdgeOne Timeweb Cloud
TodayNIC/时代互联 TransIP UKFast SafeDNS Ultradns
United-Domains Variomedia VegaDNS Vercel
Versio.[nl|eu|uk] VinylDNS Virtualname 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.