immunic.de

Valid Email Server
Domain Lookup › immunic.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
immunic.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-04 15:38:16 UTC · ↺ Refresh

MX Hostnames

  • mx-61935521.mail.eu.retarus.com

MX Priorities

  • mx-61935521.mail.eu.retarus.com: 10

A / AAAA Records

  • 88.99.101.251 ↩ redirect.checkdomain.de
  • 2a01:4f8:221:11cd:9734:4c26:6044:5f33 ↩ redirect.checkdomain.de

Mail Server IPs

  • 94.199.92.130 ↩ mx-in01.eu.retarus.com
  • 94.199.89.39 ↩ mx-in02.eu.retarus.com

SOA Record

Raw SOA ns.checkdomain.de hostmaster.checkdomain.de 2026031501 40000 7200 604800 300
Primary NS (mname)
ns.checkdomain.de
Admin Email (rname)
hostmaster@checkdomain.de
Serial
2026031501
Refresh
40000s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns2.checkdomain.de
ns.checkdomain.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.retarus.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

4 records
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.retarus.com -all
  • offensity-domain-verification=3a097a4f84a522327718c471cdb73f4be7e38a7c55595135cbc93ada83972582
  • google-site-verification=-6lAYNVYWGEdHsiDYQhab0rgEFq3eLYIrBfhNFjePJA
  • apple-domain-verification=DlE8BqhWIzDw6S9C
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