333seat.com

Valid Email Server
Domain Lookup › 333seat.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
333seat.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-22 20:43:26 UTC · ↺ Refresh

MX Hostnames

  • d32240a.ess.barracudanetworks.com
  • d32240b.ess.barracudanetworks.com

MX Priorities

  • d32240b.ess.barracudanetworks.com: 20
  • d32240a.ess.barracudanetworks.com: 10

A / AAAA Records

  • 54.243.113.75 ↩ ec2-54-243-113-75.compute-1.amazonaws.com

Mail Server IPs

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

SOA Record

Raw SOA ns1.mydyndns.org zone-admin.dyndns.com 2013034319 10800 1800 604800 1800
Primary NS (mname)
ns1.mydyndns.org
Admin Email (rname)
zone-admin@dyndns.com
Serial
2013034319
Refresh
10800s
Retry
1800s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ns3149.dns.dyn.com
ns1153.dns.dyn.com
ns2181.dns.dyn.com
ns4178.dns.dyn.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.mailersend.net include:outbound.mailhop.org include:spf.ess.barracudanetworks.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100
✓ Reject — strongest protection
📋 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

1 record
  • SPFv=spf1 include:_spf.mailersend.net include:outbound.mailhop.org include:spf.ess.barracudanetworks.com ~all
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