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Overview
Core concepts
Fundamentals
From a name to an address
How the data travels
How trust is established
How a mail arrives
Where content lives
Getting started
How the dash is laid out
All recipes
System requirements
Domains
DNS management
DNS records
Zone import and export
DNSSEC
Authoritative NS
Hidden primary
DynDNS
Monitoring & protection
DNS Doctor
Mail check
DNS analytics
Changes and alerts
Domain guardian
Forwarders
Contract and owner
SSL/TLS certificates
Order a certificate
Creating a CSR
Installing on Apache
Installing on nginx
Certificate watch
Email
Overview
Webmail
Basics
Calendar and contacts
Spam and viruses
Blocklists
Filters
Aliases
Vacation reply
Signatures and templates
Import
Security
Older mail plans
Visibility
SEO and visibility
Customer account
Signing in
Create an API key
Plans
Account security
Payment methods
Invoices
Team
Automation
DNS
Recipes
Bootstrap new hosts
DNS desired state
DNS change + rollback
API endpoints
List DNS zones
GET
Get DNS zone details
GET
Export DNS zone as BIND file
GET
Get DNS records
GET
Get DNS record
GET
Create DNS record
POST
Update DNS record
PATCH
Update DNS record (by rrid)
PATCH
Delete DNS record
DELETE
DynDNS
DynDNS URL update
DynDNS + FRITZ!Box
DNSSEC
Get DNSSEC configuration
GET
Upsert DNSSEC configuration
PUT
Verify DNSSEC state
POST
List DNSSEC jobs
GET
Cancel pending DNSSEC transition
POST
TLS
Recipes
TLS + DNS DCV
TLS renewal
TLS re-issue cycle
TLS monitor + cancel
TLS inventory + export
Revoke + replace
OV order with org ID
API endpoints
List TLS certificates
GET
Order or renew TLS certificate
POST
Get TLS certificate
GET
Complete staged TLS certificate order
POST
Download TLS certificate
GET
Reissue TLS certificate
POST
Cancel TLS certificate order
POST
Cancel or revoke TLS certificate order
POST
Revoke TLS certificate
POST
List TLS organizations
GET
Create TLS organization
POST
Get TLS organization
GET
Update TLS organization
PATCH
List TLS products
GET
Domains
List customer domains
GET
Get domain details
GET
Check domain availability
GET
Get nameserver delegation
GET
Change nameserver delegation (vanity sets only)
PUT
Request domain auth code
POST
Hosting
List web hosting packages
GET
Get a web hosting package
GET
List domain aliases of a hosting package
GET
List databases of a hosting package
GET
Customer account
Inspect the current API key
GET
Download OpenAPI specification
GET
Ask the regfish assistant
GET
Schemas
MCP server
Tools
certbro
Overview
Recipes
Automate with certbro
ACME with lego
OV with certbro
DNS Doctor
Overview
Full DNS health check
GET
Raw DNS lookup via DoH
GET
DNS propagation check across public resolvers
GET
DNSSEC chain inspection
GET
DKIM key check
GET
Mail server check
GET
SEO & AI visibility check
GET
Domain availability via RDAP
GET
IDN/Punycode conversion
GET
Generate SPF, DMARC, CAA or MTA-STS records
POST
Email header analysis
POST
Embeddable DNS health badge (SVG)
GET
MCP server (Model Context Protocol) over JSON-RPC 2.0
POST
Schemas
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csr
PEM encoded certificate signing request (CSR).
