dumac.com

Valid Email Server
Domain Lookup › dumac.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
dumac.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 00:19:29 UTC · ↺ Refresh

MX Hostnames

  • dumac-com.mail.protection.outlook.com

MX Priorities

No priority data.

A / AAAA Records

  • 199.60.103.171
  • 199.60.103.71

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns36.domaincontrol.com
ns35.domaincontrol.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:spf.sendinblue.com include:5900170.spf04.hubspotemail.net include:_spf.salesforce.com include:_spf.saashr.com include:spf-ca.emailsignatures365.com include:_spf.psm.knowbe4.com mx ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
mail._domainkey
✓ Public key: 216 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

12 records
  • MS=ms17526280
  • cd76d81310b273b05f06c529a6f4f4793628c248
  • apple-domain-verification=BlZdinCqczbDod5v
  • google-site-verification=c9vFmlf50DGc565CIFW_LWeDkXuhsNgn-Rk0SLCUvuk
  • Pvk+A1zzdQfMwYTJK4PiCIAiNNEcnh8OvNQfP6aTvWSj4BOTg/dz5plW8kRZFrRzodWgZR3k4sDxNlYQwU1ZEQ==
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.sendinblue.com include:5900170.spf04.hubspotemail.net include:_spf.salesforce.com include:_spf.saashr.com include:spf-ca.emailsignatures365.com include:_spf.psm.knowbe4.com mx ~all
  • sendinblue-code:8cb9282fdfb043f43b3fe461df62204e
  • duo_sso_verification=u7jf4qGRdFaPc8Qk8HdOfePUEV7H8em3xmrNM0d78Z7wflTe8dBDgORtWLlO6rTE
  • google-site-verification=H2IHbZPi0S-kF2D-e9jL70whwpfFmnXeg78Ubt_DoA8
  • 1password-site-verification=W7QN7IHKAZDGLCG4MMKILZ6OWE
  • spycloud-domain-verification=c3c05c41-3f02-4998-8ef0-d2af17bff795
  • 00d6a000000tzm6uae
Full email verification for dumac.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits