unitedsgc.com

Valid Email Server
Domain Lookup › unitedsgc.com

Domain Overview

DNS: ✓ 9h ago Checker: ✓ 9h ago
unitedsgc.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-29 14:43:10 UTC · ↺ Refresh

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MX Hostnames

  • d252128b.ess.barracudanetworks.com
  • d252128a.ess.barracudanetworks.com

MX Priorities

  • d252128a.ess.barracudanetworks.com: 15
  • d252128b.ess.barracudanetworks.com: 10

A / AAAA Records

  • 184.106.55.138 ↩ ssl-pool.wc1.lan3.stabletransit.com

Mail Server IPs

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

SOA Record

Raw SOA ns53.worldnic.com namehost.worldnic.com 124051709 10800 3600 604800 3600
Primary NS (mname)
ns53.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
124051709
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns53.worldnic.com
ns54.worldnic.com

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a ptr ip4:71.9.153.186 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com ?all
📊 DNS lookups: 5/10
? Neutral (?all) — no 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

1 record
  • SPFv=spf1 mx a ptr ip4:71.9.153.186 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com ?all
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