kreston.es

Valid Email Server

Domain Overview

DNS: ✓ 2h ago Checker: ✓ 2h ago
kreston.es
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-23 09:43:11 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 93.93.70.50 ↩ mail.guimp05.furanet.com
  • 2a00:1d70:c01c::70:50 ↩ mail.guimp05.furanet.com

Mail Server IPs

  • 52.101.91.21 ↩ mail-matpr05cu00105.inbound.protection.outlook.com
  • 52.101.185.21 ↩ mail-zrxpr05cu00105.inbound.protection.outlook.com
  • 52.101.91.153 ↩ mail-matpr04cu00101.inbound.protection.outlook.com
  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca38::8 ↩ mail-wa4pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca21::10 ↩ mail-matpr05cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA dns1.hispalisdns.com admin.furanet.com 2026091701 3200 1600 604800 3600
Primary NS (mname)
dns1.hispalisdns.com
Admin Email (rname)
admin@furanet.com
Serial
2026091701
Refresh
3200s
Retry
1600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns3.hispalisdns.com
dns2.hispalisdns.com
dns1.hispalisdns.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.circit.io ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 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

4 records
  • MS=ms10136619
  • SPFv=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.circit.io ~all
  • sophos-domain-verification=feb62c2a68b9760b6d50cca952ade5e1d814074ae41ae39cb80395464309d5cf
  • brevo-code:85f1fee24dd8790cfe328f4355b57167
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