onsecur.es

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
onsecur.es
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-23 03:26:36 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

  • onsecur-es.mail.protection.outlook.com: 0

A / AAAA Records

  • 185.42.104.165 ↩ vxhch-35.srv.cat

Mail Server IPs

  • 52.101.91.153 ↩ mail-matpr04cu00101.inbound.protection.outlook.com
  • 52.101.209.153 ↩ mail-cpjpr04cu00101.inbound.protection.outlook.com
  • 52.101.103.162 ↩ mail-miypr03cu00202.inbound.protection.outlook.com
  • 52.101.185.21 ↩ mail-zrxpr05cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::8 ↩ mail-zrxpr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::c ↩ mail-miypr03cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::28 ↩ mail-am6pr02cu00300.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.cdmon.net hostmaster.onsecur.es 1 10800 3600 604800 3600
Primary NS (mname)
ns1.cdmon.net
Admin Email (rname)
hostmaster@onsecur.es
Serial
1
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns1.cdmon.net
ns3.cdmon.net
ns2.cdmon.net
ns4.cdmondns-01.org
ns5.cdmondns-01.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:_spf.srv.cat ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; pct=100
✓ Reject — strongest protection
📋 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

4 records
  • Z6tko6CPWmNlaHh4MAGWY4SBpi6J5LrRA1ThB_0JlPU
  • HOlMZVWiXPwR-6hwg5uImj-D0VADadHf7_s8o8LWaPg
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.srv.cat ~all
  • Tmh8yFWarnHavexzeZNSgsXHMoUpnOR7zS7rlV9G74Y
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