rlt.de

Valid Email Server
Domain Lookup › rlt.de

Domain Overview

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

Checked via [email protected] · 2026-03-22 06:24:03 UTC · ↺ Refresh

MX Hostnames

  • post.rlt.de
  • post2.rlt.de
  • mx-01-eu-central-1.prod.hydra.sophos.com
  • mx-02-eu-central-1.prod.hydra.sophos.com

MX Priorities

  • post.rlt.de: 50
  • post2.rlt.de: 90
  • mx-01-eu-central-1.prod.hydra.sophos.com: 10
  • mx-02-eu-central-1.prod.hydra.sophos.com: 20

A / AAAA Records

  • 78.47.47.55 ↩ dedi437.your-server.de

Mail Server IPs

  • 193.158.23.50 ↩ post.rlt.de
  • 87.130.5.210 ↩ post2.rlt.de
  • 52.57.79.230 ↩ ec2-52-57-79-230.eu-central-1.compute.amazonaws.com
  • 18.159.237.67 ↩ ec2-18-159-237-67.eu-central-1.compute.amazonaws.com

SOA Record

Raw SOA ns1.your-server.de postmaster.your-server.de 2026012900 86400 10800 3600000 3600
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026012900
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s

Nameservers (NS)

ns1.your-server.de
ns3.second-ns.de
ns.second-ns.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf_eucentral1.prod.hydra.sophos.com include:spf.protection.outlook.com ip4:193.158.23.50 ip4:87.130.5.210 ip4:78.47.47.55 +a +mx ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=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

6 records
  • apple-domain-verification=l8SBEfToMWKDVBWo
  • b4dtzykhz7t2rpj9bptj8wdqf2svqyh4
  • sophos-domain-verification=8c62d347fdf962a05e4f1e2c23d8a06b8bd1efc6
  • SPFv=spf1 include:_spf_eucentral1.prod.hydra.sophos.com include:spf.protection.outlook.com ip4:193.158.23.50 ip4:87.130.5.210 ip4:78.47.47.55 +a +mx ~all
  • MS=ms67670517
  • PXGxhVKYQwdg62B6eysy4AN6XYLLG0XQ4hWs1WDYkq2qvc0LKJnEadOnz+Vlpg+HDKs5bL0Z+9N3tmlxImojCA==
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