realcore.de

Valid Email Server
Domain Lookup › realcore.de
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
realcore.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 18:46:41 UTC · ↺ Refresh

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MX Hostnames

  • relay.rzone.de
  • realcore-de.mail.protection.outlook.com

MX Priorities

  • realcore-de.mail.protection.outlook.com: 10
  • relay.rzone.de: 100

A / AAAA Records

  • 81.169.145.162 ↩ wa2.rzone.de
  • 2a01:238:20a:202:1162::

Mail Server IPs

  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::c ↩ mail-miypr03cu00104.inbound.protection.outlook.com
  • 81.169.145.96 ↩ relay.rzone.de

SOA Record

Raw SOA docks20.rzone.de hostmaster.strato-rz.de 2020052363 86400 7200 604800 300
Primary NS (mname)
docks20.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020052363
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

shades09.rzone.de
docks20.rzone.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:141064503.spf04.hubspotemail.net -all
📊 DNS lookups: 2/10
✓ 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

10 records
  • swisssign-check=z0C2B4GBnUCu1Ax9VtCuM1PMxa8MFrYCfUHPURNHhc
  • swisssign-check=yAJYVktqzVx3IGJ7btSHzXrj0R4
  • swisssign-check=P7lfyskwDcEDDd4zkq6O7ul3K0Q
  • s4h-busi-my428590._domainkey.realcore.de
  • v= spf1 include:spf.protection.outlook.com include:141064503.spf04.hubspotemail.net
  • SPFv=spf1 include:spf.protection.outlook.com include:141064503.spf04.hubspotemail.net -all
  • langdock-verify=AOraVJmAtE7stI36A9WGKhYiOkJSeBKlzF0zuY1fTQ0
  • apple-domain-verification=ANrhAsKlmqCL3c4c
  • QuoVadis=b68b11e8-f955-4e13-b084-be520c2be5b4
  • swisssign-check=ZTU5tT2QW-dm-1EJ8GmyzTc6oMc
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