michels-koeln.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
michels-koeln.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-04 10:50:50 UTC · ↺ Refresh

MX Hostnames

  • mx00.ionos.de
  • michelskoeln-de01i.mail.protection.outlook.com

MX Priorities

  • michelskoeln-de01i.mail.protection.outlook.com: 0
  • mx00.ionos.de: 10

A / AAAA Records

  • 217.160.0.32 ↩ 217-160-0-32.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::2c5

Mail Server IPs

  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ 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
  • 212.227.15.41 ↩ mx00.kundenserver.de

SOA Record

Raw SOA ns1115.ui-dns.biz hostmaster.1und1.de 2017072151 28800 7200 604800 300
Primary NS (mname)
ns1115.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.de
Serial
2017072151
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1115.ui-dns.com
ns1115.ui-dns.org
ns1115.ui-dns.biz
ns1115.ui-dns.de

SPF Record

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

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

5 records
  • v=verifydomain MS=9539651
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • google-site-verification=U_S99wdZiqF02ticNRR2iu8CHMM4cnJNX48X62GHfKU
  • google-site-verification=m0eFK1LVNj3DCB9I_0DycYqd0xMPyfa4tvdAPKepkp0
  • MS=ms94387798
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