simbiu.es

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

Domain Overview

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

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

MX Hostnames

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

MX Priorities

No priority data.

A / AAAA Records

  • 217.160.0.38
  • 2001:8d8:100f:f000::200

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns1081.ui-dns.org
ns1044.ui-dns.de
ns1076.ui-dns.biz
ns1048.ui-dns.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 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

2 records
  • SPFv=spf1 include:spf.protection.outlook.com ~all
  • google-site-verification=9D-8NgPOS1ocxbY6AFv3rMJLGpz8pZGn8Rg78s0A81M
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