Email provider
Proton Mail DNS records
End-to-end encrypted email from Switzerland. Proton shows your exact records in its domain settings.
Where is your domain's DNS managed?
Each guide below uses that host's field names, steps and known problems.
- Amazon Route 53 Proton Mail on Amazon Route 53
- Bluehost Proton Mail on Bluehost
- Cloudflare Proton Mail on Cloudflare
- DreamHost Proton Mail on DreamHost
- GoDaddy Proton Mail on GoDaddy
- Hostinger Proton Mail on Hostinger
- IONOS Proton Mail on IONOS
- Name.com Proton Mail on Name.com
- Namecheap Proton Mail on Namecheap
- Network Solutions Proton Mail on Network Solutions
- OVHcloud Proton Mail on OVHcloud
- Porkbun Proton Mail on Porkbun
- SiteGround Proton Mail on SiteGround
- Squarespace Domains Proton Mail on Squarespace Domains
- Wix Proton Mail on Wix
- WordPress.com Proton Mail on WordPress.com
The records Proton Mail needs
These are the values for any DNS host. Field names differ between hosts, so use the host guides above for the exact boxes to fill in.
| Record | Type | Host / Name | Value | Priority | TTL | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Domain verification Proves you own the domain | Type | TXT | Host / Name | @ | Value | Copy from Proton Mail settings (Domain names) Looks like: protonmail-verification= followed by a code | Priority | n/a | TTL | Default |
| MX records Where incoming email goes | Type | MX | Host / Name | @ | Value | mail.protonmail.ch | Priority | 10 | TTL | Default |
| MX records Where incoming email goes | Type | MX | Host / Name | @ | Value | mailsec.protonmail.ch | Priority | 20 | TTL | Default |
| SPF record Which servers may send as you | Type | TXT | Host / Name | @ | Value | v=spf1 include:_spf.protonmail.ch ~all | Priority | n/a | TTL | Default |
| DKIM A signature on every message | Type | CNAME | Host / Name | protonmail._domainkey | Value | Copy from Proton Mail settings (Domain names) | Priority | n/a | TTL | Default |
| DKIM A signature on every message | Type | CNAME | Host / Name | protonmail2._domainkey | Value | Copy from Proton Mail settings (Domain names) | Priority | n/a | TTL | Default |
| DKIM A signature on every message | Type | CNAME | Host / Name | protonmail3._domainkey | Value | Copy from Proton Mail settings (Domain names) | Priority | n/a | TTL | Default |
| DMARC record What to do with fakes · recommended | Type | TXT | Host / Name | _dmarc | Value | v=DMARC1; p=quarantine | Priority | n/a | TTL | Default |
Common Proton Mail mistakes
Adding only one DKIM record
Proton uses three DKIM CNAMEs (protonmail, protonmail2, protonmail3). Add all three, matching the values in your setup wizard exactly.
Check your Proton Mail DNS
Enter your domain to see which records are in place.
Looks good Needs attention Missing or wrong Info
Sources
- Anti-spoofing for custom domains (Proton Support) Checked October 21, 2026
- How to use a custom domain with Proton Mail (Proton Support) Checked October 21, 2026
Rather have someone do it for you?
Tell us your domain and we will add and verify every record for your email, then send you the check results.