Email DNS records for blu.com.br
MX, SPF, DMARC and DKIM records published for blu.com.br. Domain age: 6 years.
Receives email: Yes Disposable: No Free provider: No SPF: Yes DMARC: No
blu.com.br can receive email: 1 MX record found. The MX records point to Microsoft mail servers. Authentication records found: SPF, DKIM. Not found: DMARC.
| Check | Result | What it means |
|---|---|---|
| MX | Found (1) | The domain is configured to receive email. |
| Mail provider | Microsoft | Inferred from the MX host names: they point to Microsoft 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 rejected (hard fail). |
| DMARC | Not found | No DMARC policy tells receivers how to handle messages that fail authentication. |
| DKIM | Found (s1) | A DKIM public key is published under the selector s1. |
Last checked: 2026-11-05 (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 blu.com.br
- 0 blu-com-br.mail.protection.outlook.com (52.101.41.206)
Email authentication records for blu.com.br
SPF record
v=spf1 include:_spf.google.com include:spf.protection.outlook.com ip4:52.70.223.13 -all
DKIM record (s1)
k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA+rD7CnXGgA4HI/X8Djw9DCs1GwrfGP9w0i+GccDHYHDbbFp5SY8XiGXPQe8DdQL7XKQi6BoZz4nCriGfOGAGO3QeSUG5/D9HSWE+cMYvjJ8CqWZbcCOoU5z8Oh+p4kPNoj16TQEj9CHOk9/wX3gZVqt8RZgSoq/ojDthkeypH/qhi5AZ26DzWKdA9XDnLE8UQoeihYhQ1pi/lYrLncF0U4ed892zIUPL/ZXDm0mc98iHB0HqNEGD1j+z3ejRiX4ufiE6DbJBMmKISWbEIrJD34Ipnnb/Z97cgIJ1q8F6ApDLF+NuPbGRr9j4F0vKNBTqiHXAz/a8sYBYh7Zi22NbsQIDAQAB
Check a specific email address @blu.com.br
This page checks how blu.com.br is configured for email. It does not confirm that a specific mailbox exists — to check one address, use the form below.
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TXT records for blu.com.br
Frequently asked questions
Can blu.com.br receive email?
Yes. blu.com.br publishes 1 MX record, so it is configured to receive email. To know whether a specific address exists, verify that address.
Does blu.com.br use SPF and DMARC?
blu.com.br publishes an SPF record. It does not publish a valid DMARC record.
Is blu.com.br a free email provider?
No. blu.com.br is not on our list of free mailbox providers such as Gmail, Outlook or Yahoo.