rheinlandklinikum.de

Valid Email Server
Domain Lookup › rheinlandklinikum.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rheinlandklinikum.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 21:50:23 UTC · ↺ Refresh

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MX Hostnames

  • mail.rheinlandklinikum.de
  • mail.lukasneuss.de

MX Priorities

  • mail.rheinlandklinikum.de: 10
  • mail.lukasneuss.de: 15

A / AAAA Records

  • 136.243.52.44 ↩ h173-vs11.jarmedia.de

Mail Server IPs

  • 213.128.121.26 ↩ mail.rheinlandklinikum.de
  • 213.128.121.5 ↩ mail.lukasneuss.de

SOA Record

Raw SOA ns1.arcor-ip.de hostmaster.adm.arcor.net 2026031001 28800 14400 1814400 7200
Primary NS (mname)
ns1.arcor-ip.de
Admin Email (rname)
hostmaster@adm.arcor.net
Serial
2026031001
Refresh
28800s
Retry
14400s
Expire
1814400s
Minimum TTL
7200s

Nameservers (NS)

ns1.arcor-ip.de
ns2.arcor-ip.de
ns3.arcor-ip.de

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:193.29.198.244 ip4:136.243.52.44 ip4:193.29.198.245 -all
📊 DNS lookups: 1/10
✓ 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

7 records
  • cisco-ci-domain-verification=483e5af9f0ef5cf7c547bce587e157a59dcbefd5c97e3287aa1af6050776d10b
  • SPFv=spf1 mx ip4:193.29.198.244 ip4:136.243.52.44 ip4:193.29.198.245 -all
  • ms=ms35750288
  • openai-domain-verification=dv-fwJfpYoNLxCJsGDKrBNPWm2N
  • swisssign-check=kf9Ru7Cedgju06X1GhI9YW1j854
  • apple-domain-verification=5ABHjC1kObU5BS7u
  • apple-domain-verification=x6Bu1Oqbjh221RCR
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