regenbogen.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
regenbogen.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 06:41:02 UTC · ↺ Refresh

MX Hostnames

  • regenbogen-de.mail.protection.outlook.com

MX Priorities

  • regenbogen-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 172.67.70.239 (no PTR)
  • 104.26.0.101 (no PTR)
  • 104.26.1.101
  • 2606:4700:20::ac43:46ef
  • 2606:4700:20::681a:65
  • 2606:4700:20::681a:165

Mail Server IPs

  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA glen.ns.cloudflare.com dns.cloudflare.com 2400087992 10000 2400 604800 1800
Primary NS (mname)
glen.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400087992
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

glen.ns.cloudflare.com
yolanda.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 a:mail01.mmsw.de include:spf.protection.outlook.com include:spf.nl2go.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

9 records
  • facebook-domain-verification=g03hl22my1li33ahuj5db6pl94ebnb
  • google-site-verification=WknvnrJBbETyYF6_jT35Z8yDGbKCPV3u5QM_uPNImaU
  • google-site-verification=YX8azJzZZJca5gvYGT44qzUIIqgvrg9z_cTR2adfw14
  • google-site-verification=_m_I8Yp-yBEJFMAAHcNIj6PQn1fFaZFZr8dL2YCwWCQ
  • google-site-verification=p_oWHfZUi1_Fi0IP2sjwRj0A2t10Iesl6Slsbe2IW3I
  • google-site-verification=sQ9XQ_aHqYRU55gxy0RfKVoekk-uw4n98kK4ZCp2DZY
  • SPFv=spf1 a:mail01.mmsw.de include:spf.protection.outlook.com include:spf.nl2go.com -all
  • MS=ms72034535
  • brave-ledger-verification=2b81581c0f580b116125ad65d21cef8934590d6270d359151fdd801122311cb5
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