alfanet.com.br

Valid Email Server
Domain Lookup › alfanet.com.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
alfanet.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-27 01:20:29 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • alfanet-com-br.mail.protection.outlook.com: 10

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 52.101.198.0 ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
  • 52.101.198.38 ↩ mail-cp3p284cu00706.inbound.protection.outlook.com
  • 52.101.200.0 ↩ mail-roap284cu02600.inbound.protection.outlook.com
  • 52.101.198.1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:c94a:: ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
  • 2a01:111:f403:c94c:: ↩ mail-roap284cu02600.inbound.protection.outlook.com
  • 2a01:111:f403:c94a::1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:c94a::2 ↩ mail-cp3p284cu00702.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1575.awsdns-04.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1575.awsdns-04.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-828.awsdns-39.net
ns-1038.awsdns-01.org
ns-1575.awsdns-04.co.uk
ns-264.awsdns-33.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:20.197.211.39 ip4:20.197.212.213 ip4:189.38.112.0/20 include:spf.protection.outlook.com mx -all
📊 DNS lookups: 2/10
✓ 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

4 records
  • MS=ms45290521
  • SPFv=spf1 ip4:20.197.211.39 ip4:20.197.212.213 ip4:189.38.112.0/20 include:spf.protection.outlook.com mx -all
  • 2e9WM1aBKRSA2y5KfkkIOqZuew2msvDOT8vHlVS2cIJ9qLQLInx05r20HYp+ek9dg1VwjlW6Xb2w4cYiP1M+yQ==
  • MS=ms42996943
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