Email DNS records for sistecnica.com.br
MX, SPF, DMARC and DKIM records published for sistecnica.com.br. Domain age: 28 years.
sistecnica.com.br can receive email: 4 MX records found. The MX records point to Locaweb mail servers. Authentication records found: DMARC. Not found: SPF, DKIM (among common selectors).
| Check | Result | What it means |
|---|---|---|
| MX | Found (4) | The domain is configured to receive email. |
| Mail provider | Locaweb | Inferred from the MX host names: they point to Locaweb mail servers. |
| SPF | Not found | No SPF record lists the servers allowed to send email for this domain. |
| DMARC | p=none | The policy is none: receivers are asked to take no specific action on messages that fail DMARC. It is typically used to monitor 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: 2026-10-14 (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 sistecnica.com.br
- 10 mx.core.locaweb.com.br
- 20 mx.a.locaweb.com.br
- 20 mx.b.locaweb.com.br
- 20 mx.jk.locaweb.com.br
Email authentication records for sistecnica.com.br
DMARC record
v=DMARC1; p=none;
Check a specific email address @sistecnica.com.br
This page checks how sistecnica.com.br is configured for email. It does not confirm that a specific mailbox exists — to check one address, use the form below.
Domain registration
Created1998-01-20
Updated2023-01-27
Expires2026-01-20
Server location
IP address186.202.157.79
CountryBrazil
ASN27715
Name servers
NS 1ns1.locaweb.com.br.
NS 2ns2.locaweb.com.br.
NS 3ns3.locaweb.com.br.
TXT records for sistecnica.com.br
TXT 1_globalsign-domain-verification=G8m8peU8QmB0Xjs9Pw-JHrEJZ5OCeR8T27Eq9KOpIk