netboss.es

Valid Email Server
Domain Lookup › netboss.es

Domain Overview

DNS: ✓ 1h ago Checker: ✓ 1h ago
netboss.es
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-23 08:47:31 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 217.160.0.45 ↩ 217-160-0-45.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::21a ↩ 2001-08d8-100f-f000-0000-0000-0000-021a.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.185.114 ↩ mail-zrxpr04cu00102.inbound.protection.outlook.com
  • 52.101.91.156 ↩ mail-maspr04cu00104.inbound.protection.outlook.com
  • 52.101.185.24 ↩ mail-zrxpr07cu00100.inbound.protection.outlook.com
  • 52.101.91.162 ↩ mail-matpr04cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca38::8 ↩ mail-wa4pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::a ↩ mail-miypr02cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::22 ↩ mail-am7pr02cu00302.inbound.protection.outlook.com

SOA Record

Raw SOA ns1077.ui-dns.com hostmaster.1and1.es 2017073251 28800 7200 604800 300
Primary NS (mname)
ns1077.ui-dns.com
Admin Email (rname)
hostmaster@1and1.es
Serial
2017073251
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1077.ui-dns.de
ns1077.ui-dns.org
ns1077.ui-dns.biz
ns1077.ui-dns.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:80.28.229.2 ip4:217.72.192.67 ip4:212.227.15.41 include:_spf.salesforce.com include:_spf.perfora.net include:_spf.kundenserver.de include:spf.protection.outlook.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected]
✓ Reject — strongest protection
📋 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

3 records
  • SPFv=spf1 ip4:80.28.229.2 ip4:217.72.192.67 ip4:212.227.15.41 include:_spf.salesforce.com include:_spf.perfora.net include:_spf.kundenserver.de include:spf.protection.outlook.com ~all
  • ms-domain-verification=6af84b2f-e552-4f58-8c5c-f1b066871dbd
  • v=verifydomain MS=6842768
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 · Customize →
See demo & docs
Deep verification
Full email verification for netboss.es

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

No credit card required
Get 1,000 Free Credits