Email DNS records for esrb.org
MX, SPF, DMARC and DKIM records published for esrb.org.
Receives email: Yes Disposable: No Free provider: No SPF: Yes DMARC: Yes
esrb.org 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=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 (k1) | A DKIM public key is published under the selector k1. |
Last checked: 2026-11-03 (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 esrb.org
- 0 esrb-org.mail.protection.outlook.com (52.101.9.11)
Email authentication records for esrb.org
SPF record
v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:servers.mcsv.net -all
DMARC record
v=DMARC1; p=quarantine; rua=mailto:abuse@esrb.org; ruf=mailto:abuse@esrb.org; fo=1;
DKIM record (k1)
k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUoNyIR4Bn84LVcfZE20rmDeXQblIupNWBqLXM1Q+VieI/eZu/7k9/vOkLSaQQdml4Cv8lb3PcnluMVIhQIDAQAB;
Check a specific email address @esrb.org
This page checks how esrb.org 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 esrb.org
Frequently asked questions
Can esrb.org receive email?
Yes. esrb.org publishes 1 MX record, so it is configured to receive email. To know whether a specific address exists, verify that address.
Does esrb.org use SPF and DMARC?
esrb.org publishes an SPF record. Its DMARC policy is p=quarantine.
Is esrb.org a free email provider?
No. esrb.org is not on our list of free mailbox providers such as Gmail, Outlook or Yahoo.