combined.biz

Valid Email Server
Domain Lookup › combined.biz

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
combined.biz
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 12:43:45 UTC · ↺ Refresh

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MX Hostnames

  • d336576b.ess.barracudanetworks.com
  • d336576a.ess.barracudanetworks.com

MX Priorities

  • d336576b.ess.barracudanetworks.com: 10
  • d336576a.ess.barracudanetworks.com: 5

A / AAAA Records

  • 141.193.213.11 (no PTR)
  • 141.193.213.10 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns1.dnsbycomodo.net admin.dns.com 2026030201 10800 864000 7200 7200
Primary NS (mname)
ns1.dnsbycomodo.net
Admin Email (rname)
admin@dns.com
Serial
2026030201
Refresh
10800s
Retry
864000s
Expire
7200s
Minimum TTL
7200s

Nameservers (NS)

ns1.dnsbycomodo.net
ns2.dnsbycomodo.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:spf.nexuspayables.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ 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

10 records
  • dq5mfurk001gcgmr5ulm4snlga
  • openai-domain-verification=dv-aWA0r5OnM9ldX8N5zk121HhN
  • SPFv=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:spf.nexuspayables.com ~all
  • 11faa0nem4jakvitquca95l5ur
  • Foxit-domain-verification=6a14126d550da360f8fcb8814acc3b68
  • MS=424E6A029508B3CE8027FBEA0D4E679F240C5167
  • MS=ms81287190
  • ZOOM_verify_CJUhTQzB2UxOSyoHbwv9Dz
  • combined.biz,dgb1FRkYskgTduI0m/RQCJoORhw2+MPdhSE+0wAuStQkU+o4Q+jJJ2qqQAIy5OPkXMuWPZw3tublMGzTnYJOBg==
  • dgb1FRkYskgTduI0m/RQCJoORhw2+MPdhSE+0wAuStQkU+o4Q+jJJ2qqQAIy5OPkXMuWPZw3tublMGzTnYJOBg==
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