rtskg.de

Valid Email Server
Domain Lookup › rtskg.de

Domain Overview

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

Checked via [email protected] · 2026-03-24 01:35:37 UTC · ↺ Refresh

MX Hostnames

  • maildomain.datevnet.de
  • maildomain.datevnet.com

MX Priorities

  • maildomain.datevnet.com: 20
  • maildomain.datevnet.de: 10

A / AAAA Records

  • 176.52.241.252 ↩ r2128.agenturserver.it

Mail Server IPs

  • 193.27.49.221 ↩ maildomain.datevnet.com
  • 193.27.49.207 ↩ maildomain.datevnet.com
  • 2a00:e50:f155:7::cf ↩ maildomain.datevnet.com
  • 2a00:e50:f155:7::dd ↩ maildomain.datevnet.com
  • 193.27.49.206 ↩ maildomain.datevnet.de
  • 193.27.49.220 ↩ maildomain.datevnet.de
  • 2a00:e50:f155:7::ce ↩ maildomain.datevnet.de
  • 2a00:e50:f155:7::dc ↩ maildomain.datevnet.de

SOA Record

Raw SOA ns1.domaindiscount24.net tech.key-systems.net 2025073001 10800 3600 604800 28800
Primary NS (mname)
ns1.domaindiscount24.net
Admin Email (rname)
tech@key-systems.net
Serial
2025073001
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s

Nameservers (NS)

ns2.domaindiscount24.net
ns3.domaindiscount24.net
ns1.domaindiscount24.net

SPF Record

✓ Soft Fail (~all)
v=spf1 a:mail.rtskg.de include:maildomain._spf.datev.de include:_spf.rexx-systems.com include:agenturserver.de include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ip4:87.130.4.26 ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • DKIMv=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1BgyrhKOA93djr3/oSWZUYT6lycti5nE7x0kBgEKMu3UiU9S19Eq4rObtxEN6CCMpDNsE19JwxTfDjgI/63n2RLAiVsifRjp7V1lo/oH1U6D0KZh2gJowESyDLhKDu1CeyiNMFtvfZnaTQ/nqRUIYfpdlC4xiWKksWC8B0TxnuJbLPGyCBFKRh7Dbs2Qrp1TQ Pnfh0PsOmJqcrLKRJJKdwigc+LmCcv8YBvisu1Nvoel3yh4u26IGH2EfXqmGECp0S4r8sfj2DT5nvvgXW1mk5Rk5Ig4SUyJY3GRtIRSWxnTmxec4ZoI2t9FX/NU032w/eqYl7SoCSJPuN312CauMQIDAQAB
  • SPFv=spf1 a:mail.rtskg.de include:maildomain._spf.datev.de include:_spf.rexx-systems.com include:agenturserver.de include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ip4:87.130.4.26 ~all
  • apple-domain-verification=ZbEK5Scm1vEJPNqj
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