fourplex.de

Valid Email Server
Domain Lookup › fourplex.de

Domain Overview

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

Checked via [email protected] · 2026-03-27 00:54:21 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 216.150.1.1 (no PTR)

Mail Server IPs

  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com

SOA Record

Raw SOA ns5.kasserver.com hostmaster.kasserver.com 2601191339 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2601191339
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s

Nameservers (NS)

ns6.kasserver.com
ns5.kasserver.com

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:85.13.156.5 include:spf.protection.outlook.com include:spf.profiprint.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 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
  • MS=ms82053632
  • google-site-verification=suaynJkJbW0IDc_8nysxW-yfvhBh4xqBGRI0So-Yda4
  • SPFv=spf1 mx ip4:85.13.156.5 include:spf.protection.outlook.com include:spf.profiprint.de -all
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