guardianbus.com

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
guardianbus.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 01:15:32 UTC · ↺ Refresh

MX Hostnames

  • mx1-us1.ppe-hosted.com
  • mx2-us1.ppe-hosted.com

MX Priorities

No priority data.

A / AAAA Records

  • 192.124.249.79

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns56.domaincontrol.com
ns55.domaincontrol.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:_spf-us.ppe-hosted.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

4 records
  • ppe-074c19924267fd05daac7899c22cd4729df21106
  • ppe-d4caf795a63c1728e1795ecdd4b26b778810006b
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf-us.ppe-hosted.com ~all
  • v=verifydomain MS=8027186
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