castrosua.com

Valid Email Server

Domain Overview

DNS: ✓ 2d ago Checker: ✓ 2d ago
castrosua.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-19 04:28:14 UTC · ↺ Refresh

MX Hostnames

  • grupocastrosua.mail.protection.outlook.com
  • castrosua-com.mail.protection.outlook.com
  • mx.serviciodecorreo.es

MX Priorities

  • castrosua-com.mail.protection.outlook.com: 20
  • grupocastrosua.mail.protection.outlook.com: 30
  • mx.serviciodecorreo.es: 10

A / AAAA Records

  • 82.98.171.215

Mail Server IPs

  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.68.27
  • 52.101.73.22
  • 82.223.190.100

SOA Record

Raw SOA ns.gestiondecuenta.com dnsadmin.gestiondecuenta.com 2025042601 3600 120 1209600 300
Primary NS (mname)
ns.gestiondecuenta.com
Admin Email (rname)
dnsadmin@gestiondecuenta.com
Serial
2025042601
Refresh
3600s
Retry
120s
Expire
1209600s
Minimum TTL
300s

Nameservers (NS)

ns4.gestiondecuenta.com
ns3.gestiondecuenta.com
ns.gestiondecuenta.com
ns2.gestiondecuenta.com

SPF Record

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

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

6 records
  • 202301230352463y7d6xp1idtf4oc5an2b0gt59rfffjj15bcoow2vfr5ekkmden
  • 202401250538273yedmk9sqzom25s4c1r3l91mqbtxdazdpkxf30clchuummvll7
  • 2021012212590959tze6rwyxumujmxz6utwlulvy140a6ndb2tido5vnbli6vr6i
  • 202201220140513hd497t4ikwb566st0p4x0ks38xl8zhmlcwfmwcvhkcf8qci7q
  • 20191208114507007x4jl9mju9jf8a1ez59olvljseg6psva3vz956oc5y7suxy7
  • SPFv=spf1 include:_spf.serviciodecorreo.es include:spf.protection.outlook.com ~all
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