rhesus.nl

Valid Email Server

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
rhesus.nl
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 08:00:48 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

  • mail.rhesus.nl: 20
  • rhesus-nl.mail.protection.outlook.com: 10

A / AAAA Records

  • 185.231.203.29 ↩ srv1a.simondesign.nl

Mail Server IPs

  • 95.97.83.211 ↩ 095-097-083-211.static.chello.nl
  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.simondesign.nl hostmaster.simondesign.nl 2100000647 14400 3600 604800 86400
Primary NS (mname)
ns1.simondesign.nl
Admin Email (rname)
hostmaster@simondesign.nl
Serial
2100000647
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns1.simondesign.nl
ns2.simondesign.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

2 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • SPFv=spf1 a mx a:spf.flexfilter.nl ~all
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