stuebing.com

Valid Email Server
Domain Lookup › stuebing.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
stuebing.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 01:32:50 UTC · ↺ Refresh

MX Hostnames

  • d303426b.ess.barracudanetworks.com
  • d303426a.ess.barracudanetworks.com

MX Priorities

No priority data.

A / AAAA Records

  • 65.60.4.2

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns39.worldnic.com
ns40.worldnic.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a:d303426.o.ess.barracudanetworks.com include:spf.protection.outlook.com ip4:66.161.251.3 ip4:66.161.251.19 ip4:209.222.82.0/24 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

5 records
  • _globalsign-domain-verification=pInQW0v4omk6S9rQqLIAou-U5GwTrVRFgHyctas5tX
  • MS=ms93604973
  • _globalsign-domain-verification=8HCgszE6ozyo75flsWRk5La99VbkBGJTfYPpLNOCdQ
  • SPFv=spf1 a:d303426.o.ess.barracudanetworks.com include:spf.protection.outlook.com ip4:66.161.251.3 ip4:66.161.251.19 ip4:209.222.82.0/24 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com ~all
  • _globalsign-domain-verification=_ufdz6MheC-sRRMk0O_vjpiR5p9VOtq-UvTb7yWFht
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