pennunited.com

Valid Email Server
Domain Lookup › pennunited.com

Domain Overview

DNS: ✓ 13h ago Checker: ✓ 13h ago
pennunited.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-02 10:35:22 UTC · ↺ Refresh

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MX Hostnames

  • d228875a.ess.barracudanetworks.com
  • d228875b.ess.barracudanetworks.com

MX Priorities

  • d228875b.ess.barracudanetworks.com: 20
  • d228875a.ess.barracudanetworks.com: 10

A / AAAA Records

  • 209.166.164.161 ↩ shared7.savvior.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.carrierzone.com postmaster.carrierzone.com 2025040809 86400 300 3600000 300
Primary NS (mname)
ns1.carrierzone.com
Admin Email (rname)
postmaster@carrierzone.com
Serial
2025040809
Refresh
86400s
Retry
300s
Expire
3600000s
Minimum TTL
300s

Nameservers (NS)

ns2.carrierzone.com
ns4.carrierzone.com
ns3.carrierzone.com
ns1.carrierzone.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;sp=none;pct=100;aspf=r;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=1
⚠ 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

2 records
  • MS=11808D15BCF5D6F4063435C35D0684A9219813DC
  • SPFv=spf1 include:spf.ess.barracudanetworks.com -all
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