kita-biberbau.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
kita-biberbau.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 06:18:46 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

  • kitabiberbau-de01b.mail.protection.outlook.com

MX Priorities

  • kitabiberbau-de01b.mail.protection.outlook.com: 10

A / AAAA Records

  • 37.202.3.33 (no PTR)

Mail Server IPs

  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com

SOA Record

Raw SOA ns01.agenturserver.de support.mittwald.de 1770284325 28800 7200 604800 3600
Primary NS (mname)
ns01.agenturserver.de
Admin Email (rname)
support@mittwald.de
Serial
1770284325
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns01.agenturserver.co
ns01.agenturserver.it
ns01.agenturserver.de

SPF Record

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

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ 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
  • brevo-code:73005dc81479c5f1a5e9432cbc3cf769
  • SPFv=spf1 include:spf.protection.outlook.com include:agenturserver.de ~all
  • MS=ms69719940
  • google-site-verification=QmDO8-4Vin6NnKwcGV5LGSlCwuM6R62-YTYZPDxtYos
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 kita-biberbau.de

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

No credit card required
Get 1,000 Free Credits