shieldsinc.com

Valid Email Server
Domain Lookup › shieldsinc.com

Domain Overview

DNS: ✓ 1d ago Checker: ✓ 1d ago
shieldsinc.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-10-03 13:42:09 UTC · ↺ Refresh

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MX Hostnames

  • d363153a.ess.barracudanetworks.com
  • d363153b.ess.barracudanetworks.com

MX Priorities

  • d363153a.ess.barracudanetworks.com: 0
  • d363153b.ess.barracudanetworks.com: 10

A / AAAA Records

  • 67.205.29.159 ↩ apache2-twiddle.iad1-shared-b7-19.dreamhost.com

Mail Server IPs

  • 209.222.82.252 ↩ mail.ess.barracuda.com
  • 209.222.82.253 ↩ mail.ess.barracuda.com
  • 209.222.82.255 ↩ mail.ess.barracuda.com

SOA Record

Raw SOA ns1.dreamhost.com hostmaster.dreamhost.com 2026091503 15235 600 1814400 60
Primary NS (mname)
ns1.dreamhost.com
Admin Email (rname)
hostmaster@dreamhost.com
Serial
2026091503
Refresh
15235s
Retry
600s
Expire
1814400s
Minimum TTL
60s

Nameservers (NS)

ns3.dreamhost.com
ns2.dreamhost.com
ns1.dreamhost.com

SPF Record

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

DMARC Record

✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

7 records
  • MS=ms99195310
  • ppe-168de6555c6f43986af22a821a8c84c721356db3
  • u86fvmsqkr7nk2gf4c5gbb2139
  • vqic1kskprcde7eat0uqn3fo6p
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
  • 51fdsubibunn924fivpj7kskes
  • gl9e1hj11oendrefoq5nnvekkf
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