Email DNS records for 1stunited.com
MX, SPF, DMARC and DKIM records published for 1stunited.com. Registered via Cloudflare, Inc.. Domain age: 29 years.
Receives email: Yes Disposable: No Free provider: No SPF: Yes DMARC: Yes
1stunited.com can receive email: 2 MX records found. Authentication records found: SPF, DMARC, DKIM.
| Check | Result | What it means |
|---|---|---|
| MX | Found (2) | The domain is configured to receive email. |
| 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: 2026-10-18 (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.
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MX records for 1stunited.com
- 10 1stunited-com.mx1.arsmtp.com (8.31.233.194)
- 20 1stunited-com.mx2.arsmtp.com (8.19.118.124)
Email authentication records for 1stunited.com
SPF record
v=spf1 include:spf1.appriver.com include:spf2.appriver.com include:spf.protection.outlook.com include:spf.cashedge.com include:fsspfus.freshemail.io ip4:68.169.25.130 -all
DMARC record
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc@cbsharedservices.com; ruf=mailto:dmarc@cbsharedservices.com
DKIM record (selector1)
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDLAqHYQPoUsAlHahLC8bLsavDItyX38dPRBUe03s3ds2yVRjb100hP9Xc4lh2zgktH1v20RYCN0FnxQSxGUzkhHsvgMOC0z4eFXONUpw2+pjpn8cH9r7pTjtGLmNlQZf96EcUXecufzwSKYXh59qaIwzcJAuN842ag0bRHaMKFfQIDAQAB;
Check a specific email address @1stunited.com
This page checks how 1stunited.com 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 1stunited.com
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Frequently asked questions
Can 1stunited.com receive email?
Yes. 1stunited.com publishes 2 MX records, so it is configured to receive email. To know whether a specific address exists, verify that address.
Does 1stunited.com use SPF and DMARC?
1stunited.com publishes an SPF record. Its DMARC policy is p=reject.
Is 1stunited.com a free email provider?
No. 1stunited.com is not on our list of free mailbox providers such as Gmail, Outlook or Yahoo.