kottmann-berger.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
kottmann-berger.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-04 15:01:20 UTC · ↺ Refresh

MX Hostnames

  • kottmannberger-de02b.mail.protection.outlook.com
  • mail.kottmann-berger.de

MX Priorities

  • kottmannberger-de02b.mail.protection.outlook.com: 10
  • mail.kottmann-berger.de: 5

A / AAAA Records

  • 212.87.145.55 ↩ web3.imosnet.de

Mail Server IPs

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

SOA Record

Raw SOA lc.imosnet.de hostmaster.imos.net 2020071739 43200 3600 604800 3600
Primary NS (mname)
lc.imosnet.de
Admin Email (rname)
hostmaster@imos.net
Serial
2020071739
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns1.imos.net
ns2.imos.net

SPF Record

✓ Strict (-all)
v=spf1 mx a:mail.mobitec.tube a:mail.kottmann-berger.de ip4:188.40.203.227 include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ 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

2 records
  • SPFv=spf1 mx a:mail.mobitec.tube a:mail.kottmann-berger.de ip4:188.40.203.227 include:spf.protection.outlook.com -all
  • MS=ms53266624
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