tecfil.com.br

Valid Email Server
Domain Lookup › tecfil.com.br

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
tecfil.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 09:11:30 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 177.131.140.152 (no PTR)

Mail Server IPs

  • 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
  • 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
  • 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com

SOA Record

Raw SOA ns1-03.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-03.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns3-03.azure-dns.org
ns4-03.azure-dns.info
ns1-03.azure-dns.com
ns2-03.azure-dns.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:187.87.152.65/28 ip4:177.135.146.242 ip4:177.190.193.160 ip4:138.94.114.66 ip4:187.87.150.0/24 ip4:168.138.226.49 ip4:200.247.125.242/32 ip4:200.247.125.243/32 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

1 record
  • SPFv=spf1 include:spf.protection.outlook.com ip4:187.87.152.65/28 ip4:177.135.146.242 ip4:177.190.193.160 ip4:138.94.114.66 ip4:187.87.150.0/24 ip4:168.138.226.49 ip4:200.247.125.242/32 ip4:200.247.125.243/32 -all
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