tecnocurva.com.br

Valid Email Server
Domain Lookup › tecnocurva.com.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
tecnocurva.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 17:01:57 UTC · ↺ Refresh

MX Hostnames

  • tecnocurva-com-br.mail.protection.outlook.com

MX Priorities

  • tecnocurva-com-br.mail.protection.outlook.com: 0

A / AAAA Records

  • 186.225.30.33 ↩ smtp-gw.tecnocurva.com.br

Mail Server IPs

  • 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
  • 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
  • 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
  • 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com

SOA Record

Raw SOA b.sec.dns.br hostmaster.registro.br 2026057000 345600 900 604800 900
Primary NS (mname)
b.sec.dns.br
Admin Email (rname)
hostmaster@registro.br
Serial
2026057000
Refresh
345600s
Retry
900s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

b.sec.dns.br
c.sec.dns.br

SPF Record

✓ Strict (-all)
v=spf1 a mx a:smtp-gw.tecnocurva.com.br a:smtp2.tecnocurva.com.br mx:smtp-gw.tecnocurva.com.br mx:smtp2.tecnocurva.com.br ip4:186.225.30.33 ip4:189.8.0.170 include:spf.protection.outlook.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • MS=ms28340998
  • SPFv=spf1 a mx a:smtp-gw.tecnocurva.com.br a:smtp2.tecnocurva.com.br mx:smtp-gw.tecnocurva.com.br mx:smtp2.tecnocurva.com.br ip4:186.225.30.33 ip4:189.8.0.170 include:spf.protection.outlook.com -all
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