kooimanbeveiliging.nl

Valid Email Server
Domain Lookup › kooimanbeveiliging.nl

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
kooimanbeveiliging.nl
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 14:09:41 UTC · ↺ Refresh

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MX Hostnames

  • kooimanbeveiliging-nl.mail.protection.outlook.com

MX Priorities

  • kooimanbeveiliging-nl.mail.protection.outlook.com: 0

A / AAAA Records

  • 185.104.28.238 ↩ redirectserver01.zxcs.nl
  • 2a06:2ec0:1::ffed ↩ redirectserver01.zxcs.nl

Mail Server IPs

  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com

SOA Record

Raw SOA ns.zxcs.nl hostmaster.kooimanbeveiliging.nl 2021010100 600 3600 1209600 86400
Primary NS (mname)
ns.zxcs.nl
Admin Email (rname)
hostmaster@kooimanbeveiliging.nl
Serial
2021010100
Refresh
600s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns3.zxcs.nl
ns2.zxcs.nl
ns1.zxcs.nl

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

✗ 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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