koernerrealestate.de

Valid Email Server
Domain Lookup › koernerrealestate.de

Domain Overview

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

Checked via [email protected] · 2026-03-31 11:02:40 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

  • koernerrealestate-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 88.99.121.253 ↩ ip-88-99-121-253.scrw-net.de
  • 2a01:4f8:1c17:80ed::1 ↩ ip6-2a01-04f8-1c17-80ed-0000-0000-0000-0001.scrw-net.de

Mail Server IPs

  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com

SOA Record

Raw SOA shades16.rzone.de hostmaster.strato-rz.de 2020052181 86400 7200 604800 300
Primary NS (mname)
shades16.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020052181
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

shades16.rzone.de
docks03.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

✓ Reject
v=DMARC1;p=reject;
✓ Reject — strongest protection
📋 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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com -all
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