osborne.es

Valid Email Server
Domain Lookup › osborne.es

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
osborne.es
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 05:52:18 UTC · ↺ Refresh

MX Hostnames

  • osborne-es.mail.protection.outlook.com

MX Priorities

  • osborne-es.mail.protection.outlook.com: 10

A / AAAA Records

  • 13.95.133.196 (no PTR)

Mail Server IPs

  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.ascio.com tech.ubilibet.com 1773830051 3600 3600 604800 300
Primary NS (mname)
ns1.ascio.com
Admin Email (rname)
tech@ubilibet.com
Serial
1773830051
Refresh
3600s
Retry
3600s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns2.ascio.com
ns1.ascio.com
ns3.ascio.com
ns4.ascio.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:95.211.218.32 include:_spf.salesforce.com include:spf.protection.outlook.com Include:50301995.spf04.hubspotemail.net ~all
📊 DNS lookups: 3/10
~ 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

8 records
  • facebook-domain-verification=b0w8axujzpmfpled2sc8ykhd7w65hh
  • atlassian-domain-verification=ya/b9anfrzTshMRKhffZEt5YAfDpYSDIa8Y7BGPJU6Im2WY5JnlXsZ0IqHPlDgPz
  • SPFv=spf1 ip4:95.211.218.32 include:_spf.salesforce.com include:spf.protection.outlook.com Include:50301995.spf04.hubspotemail.net ~all
  • google-site-verification=cYnS9Oj-778b5s8yuaqztSMxkK0UMs33IlbhvBoLyfQ
  • google-site-verification=z8I7ovw-zdMtelWbt7tNSXegiOhoQ9OcEvUqGWEcO3Q
  • 818e243a76cc9902862b4e1f4703d7a8
  • MS=ms65802699
  • atlassian-sending-domain-verification=c1f11640-b4f7-4f0f-a4ca-f4cbb6a7c3fc
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for osborne.es

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits