Email DNS records for sumicity.com.br
MX, SPF, DMARC and DKIM records published for sumicity.com.br.
Receives email: Yes Disposable: No Free provider: No SPF: Yes DMARC: No
sumicity.com.br can receive email: 6 MX records found. Authentication records found: SPF. Not found: DMARC, DKIM (among common selectors).
| Check | Result | What it means |
|---|---|---|
| MX | Found (6) | 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 treated as suspicious but accepted (soft fail). |
| DMARC | Not found | No DMARC policy tells receivers how to handle messages that fail authentication. |
| DKIM | Not found among common selectors | DKIM can only be confirmed with the selector used by the sender, so this does not mean the domain has no DKIM. |
Last checked: 2026-11-02 (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 sumicity.com.br
- 5 mtaproxy04.argohost.net (201.139.185.133)
- 5 mtaproxy06.argohost.net (201.139.185.135)
- 5 mtaproxy01.argohost.net (201.139.185.130)
- 5 mtaproxy02.argohost.net (201.139.185.131)
- 5 mtaproxy05.argohost.net (201.139.185.134)
- 5 mtaproxy03.argohost.net
Email authentication records for sumicity.com.br
SPF record
v=spf1 +a +mx +ip4:187.110.226.230 +ip4:187.110.226.231 +ip4:187.110.226.232 +ip4:201.139.185.128/28 ~all
Check a specific email address @sumicity.com.br
This page checks how sumicity.com.br 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 sumicity.com.br
Frequently asked questions
Can sumicity.com.br receive email?
Yes. sumicity.com.br publishes 6 MX records, so it is configured to receive email. To know whether a specific address exists, verify that address.
Does sumicity.com.br use SPF and DMARC?
sumicity.com.br publishes an SPF record. It does not publish a valid DMARC record.
Is sumicity.com.br a free email provider?
No. sumicity.com.br is not on our list of free mailbox providers such as Gmail, Outlook or Yahoo.