americanbusiness.com

Valid Email Server
Domain Lookup › americanbusiness.com

Domain Overview

DNS: ✓ 1mo ago Checker: ✓ 1mo ago
americanbusiness.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-15 19:34:24 UTC · ↺ Refresh

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MX Hostnames

  • americanbusiness-com.mail.protection.outlook.com

MX Priorities

  • americanbusiness-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 3.171.139.77 ↩ server-3-171-139-77.jfk52.r.cloudfront.net
  • 3.171.139.48 ↩ server-3-171-139-48.jfk52.r.cloudfront.net
  • 3.171.139.76
  • 3.171.139.33
  • 2600:9000:205f:ba00:d:b482:bb00:93a1
  • 2600:9000:205f:400:d:b482:bb00:93a1
  • 2600:9000:205f:d600:d:b482:bb00:93a1
  • 2600:9000:205f:4600:d:b482:bb00:93a1
  • 2600:9000:205f:c00:d:b482:bb00:93a1
  • 2600:9000:205f:b400:d:b482:bb00:93a1
  • 2600:9000:205f:e00:d:b482:bb00:93a1
  • 2600:9000:205f:6c00:d:b482:bb00:93a1

Mail Server IPs

  • 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
  • 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
  • 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
  • 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA ian.ns.cloudflare.com dns.cloudflare.com 2406246529 10000 2400 604800 1800
Primary NS (mname)
ian.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2406246529
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ian.ns.cloudflare.com
ines.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; sp=none; aspf=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

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

6 records
  • SPFv=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com -all
  • 0ed1fe018a6a875c01816b469a9df1ca243412249f
  • MS==ms59778184
  • ZOOM_verify_OPE0044794
  • ZOOM_verify_ww73atfHgqd2QujAG1X3KW
  • knowbe4-site-verification=86a75b8dc92b1ec1608688c1210af9d6
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