rkw-bw.de

Valid Email Server
Domain Lookup › rkw-bw.de
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
rkw-bw.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 19:56:19 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

  • rkwbw-de0i.mail.protection.outlook.com

MX Priorities

  • rkwbw-de0i.mail.protection.outlook.com: 0

A / AAAA Records

  • 168.119.134.178 ↩ shield.rkw.de

Mail Server IPs

  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.91.162 ↩ mail-matpr04cu00302.inbound.protection.outlook.com
  • 52.101.103.143 ↩ mail-miypr03cu00107.inbound.protection.outlook.com
  • 52.101.91.159 ↩ mail-matpr04cu00207.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca38::a ↩ mail-wa4pr05cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::a ↩ mail-zrxpr07cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns81.domaincontrol.com dns.jomax.net 2026080301 28800 7200 604800 600
Primary NS (mname)
ns81.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026080301
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns82.domaincontrol.com
ns81.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:62.91.89.72 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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
  • spcheck=84d90b401632c5c6b91adf5f86c66bbb435a9e5a1a99033e7b7804fd0a37f781
  • google-site-verification=LmMA2wivNBGk9c6txyNvgyFhA25TzoAP6qTs_DqS7Cs
  • SPFv=spf1 ip4:62.91.89.72 include:spf.protection.outlook.com -all
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 rkw-bw.de

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

No credit card required
Get 1,000 Free Credits