Email DNS records for sun.io
MX, SPF, DMARC and DKIM records published for sun.io. Registered via Gandi Sas. Domain age: 13 years.
Receives email: Yes Disposable: No Free provider: No SPF: Yes DMARC: Yes
sun.io can receive email: 1 MX record found. The MX records point to Google mail servers. Authentication records found: SPF, DMARC, DKIM.
| Check | Result | What it means |
|---|---|---|
| MX | Found (1) | The domain is configured to receive email. |
| Mail provider | Inferred from the MX host names: they point to Google mail servers. | |
| Free email provider | No | Not a free mailbox service like Gmail or Yahoo. |
| SPF | Found | The record ends with ~all: mail from servers not listed should be treated as suspicious but accepted (soft fail). |
| DMARC | p=quarantine | The policy is quarantine: receivers are asked to treat messages that fail DMARC as suspicious, for example by delivering them to spam. Aggregate reports are requested (rua). |
| DKIM | Found (google) | A DKIM public key is published under the selector google. |
Last checked: 2026-11-01 (UTC). DNS records can change over time. This report lists public DNS records; their presence does not by itself mean that a domain or its messages are safe.
Next steps
MX records for sun.io
- 1 smtp.google.com (172.253.133.26)
Email authentication records for sun.io
SPF record
v=spf1 include:_spf.google.com ~all
DMARC record
v=DMARC1;p=quarantine;pct=100;fo=1; rua=mailto:967b2189661f4da8bd557aaca5ae325e@dmarc-reports.cloudflare.net;
DKIM record (google)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAs7qj8uvTQwj0R6M1UdtbwHxZm+mLCmU4s2Tun/atu/ohlGrBKMzZGZ6204/JEV/osI1Xhew6y2yy3ffIjTWzOZB1AAJC07XbiTzFtDpc9W9Bo8+DLVMYGDJVeIVfnmWeQ5kW7iRB+LmdwjRrRrbmK+S43TSIOCUIVx6TpbaAwc+qbS1W3s0km/NZmtmlJWet2hiah/3+POm6ku83PgO8TVsqmdgihMqRmwSHAlrzu+jrMRB+GxCA2uTm86DHaCcoDRD962Ceou85U3qRJevWslCB3QnCRlN8qZm6fn8n8hzLVpD74zzanrf98qqyEqjaaIJo2IQ7f599B0CS5yBFFQIDAQAB
Check a specific email address @sun.io
This page checks how sun.io is configured for email. It does not confirm that a specific mailbox exists — to check one address, use the form below.
Domain registration
Server location
Name servers
TXT records for sun.io
Domain status
Frequently asked questions
Can sun.io receive email?
Yes. sun.io publishes 1 MX record, so it is configured to receive email. To know whether a specific address exists, verify that address.
Does sun.io use SPF and DMARC?
sun.io publishes an SPF record. Its DMARC policy is p=quarantine.
Is sun.io a free email provider?
No. sun.io is not on our list of free mailbox providers such as Gmail, Outlook or Yahoo.