Email DNS records for sierravistaregional.com
MX, SPF, DMARC and DKIM records published for sierravistaregional.com.
Receives email: Yes Disposable: No Free provider: No SPF: Yes DMARC: Yes
sierravistaregional.com can receive email: 1 MX record found. The MX records point to Microsoft 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 | 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 | p=reject | The policy is reject: receivers are asked to reject messages that fail DMARC. Aggregate reports are requested (rua). |
| DKIM | Found (selector1) | A DKIM public key is published under the selector selector1. |
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 sierravistaregional.com
- 5 sierravistaregional-com.mail.protection.outlook.com (52.101.41.24)
Email authentication records for sierravistaregional.com
SPF record
v=spf1 -all
DMARC record
v=DMARC1; p=reject; sp=reject; rua=mailto:dmarc_agg@vali.email
DKIM record (selector1)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAviw/F7PyjmKRNdIkWj60b47lZ/j80EOs61L/1GhveIENOOWZlEgCrMQkNQ6pyPx57eA7x5bmHxvRuEQgVijX8UQc5Bsfkjsfazp3C/+oofUg5ZOyZVrWajEjPNTz3n8FGc4s1PFQdzUxRjHGsjfkpV7Dwv5QDHGW7sOeiea54/2ckzbBAbU6AYITKjzToSxydMS4xSaVAasFZNZR1ALzuCjWlqs8UVUYMfqJUC0xmHRcfpRACUPiwVhAcs92oYcJ3Bmny3ZGCUSg8WUA+foa35+3N7xExbMSSbAb7Le1S5gMvnPdD4bznzGnOGzhrB32Pmfzcs4gj4nbJNw9pZMDCQIDAQAB;
Check a specific email address @sierravistaregional.com
This page checks how sierravistaregional.com is configured for email. It does not confirm that a specific mailbox exists — to check one address, use the form below.
Server location
Name servers
TXT records for sierravistaregional.com
Frequently asked questions
Can sierravistaregional.com receive email?
Yes. sierravistaregional.com publishes 1 MX record, so it is configured to receive email. To know whether a specific address exists, verify that address.
Does sierravistaregional.com use SPF and DMARC?
sierravistaregional.com publishes an SPF record. Its DMARC policy is p=reject.
Is sierravistaregional.com a free email provider?
No. sierravistaregional.com is not on our list of free mailbox providers such as Gmail, Outlook or Yahoo.