stafastbuilding.com

Valid Email Server
Domain Lookup › stafastbuilding.com

Domain Overview

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

Checked via [email protected] · 2026-03-21 08:41:52 UTC · ↺ Refresh

MX Hostnames

  • stafastbuilding-com.mail.eo.outlook.com

MX Priorities

  • stafastbuilding-com.mail.eo.outlook.com: 10

A / AAAA Records

  • 107.180.90.2 ↩ 2.90.180.107.host.secureserver.net

Mail Server IPs

  • 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
  • 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
  • 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
  • 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com

SOA Record

Raw SOA primary.guardeddns.net dns-admin.guardeddns.net 120 28800 450 1209600 900
Primary NS (mname)
primary.guardeddns.net
Admin Email (rname)
dns-admin@guardeddns.net
Serial
120
Refresh
28800s
Retry
450s
Expire
1209600s
Minimum TTL
900s

Nameservers (NS)

ns1.omnis.com
ns2.omnisdns.net

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:66.192.200.176/28 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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 ip4:66.192.200.176/28 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com ~all
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