koenigrubloff.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
koenigrubloff.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 11:43:46 UTC · ↺ Refresh

MX Hostnames

  • koenigrubloff-com.mail.protection.outlook.com

MX Priorities

  • koenigrubloff-com.mail.protection.outlook.com: 5

A / AAAA Records

  • 199.107.164.6 (no PTR)

Mail Server IPs

  • 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
  • 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
  • 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
  • 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
  • 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns1-06.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-06.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns2-06.azure-dns.net
ns3-06.azure-dns.org
ns4-06.azure-dns.info
ns1-06.azure-dns.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:midamerican.com ip4:208.93.240.0/24 ip4:64.80.131.201 ip4:207.229.135.228 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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

7 records
  • m2cp1nguoi9grpannllcn6cp6h
  • nsyOryFNiqcxyFKbTqg+auhPLaR2VsVirfhmGIttWGBmmoMRZIoTYWZqkSZ3R3htXZtttAV/EXGhVkIfP6cqxA==
  • SPFv=spf1 include:spf.protection.outlook.com include:midamerican.com ip4:208.93.240.0/24 ip4:64.80.131.201 ip4:207.229.135.228 ~all
  • google-site-verification=044w5YddlxE_EOwV1ZGN7ytRZXHluGWAGfb3Niw-vtw
  • MS=ms42212747
  • MS=ms82416473
  • 2u782qrrph982t6pmhf1fgi2uf
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