koehlerbeton.de

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-29 22:07:56 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • koehlerbeton-de.mail.protection.outlook.com: 20

A / AAAA Records

  • 81.169.145.146 ↩ w92.rzone.de
  • 2a01:238:20a:202:1146:: ↩ w92.rzone.de

Mail Server IPs

  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com

SOA Record

Raw SOA shades14.rzone.de hostmaster.strato-rz.de 2020050719 86400 7200 604800 300
Primary NS (mname)
shades14.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020050719
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

docks08.rzone.de
shades14.rzone.de

SPF Record

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

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 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
  • google-site-verification=YYre3tkwdIRNIsyHMosOGD1qn2_Rp-vBUDiEGSZyxYQ
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms19836469
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