erdtsystems.de

Valid Email Server
Domain Lookup › erdtsystems.de

Domain Overview

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

Checked via [email protected] · 2026-03-31 03:21:36 UTC · ↺ Refresh

MX Hostnames

  • mx.mymailwall.com

MX Priorities

  • mx.mymailwall.com: 100

A / AAAA Records

  • 134.119.241.123 ↩ mc22014.ispgateway.de

Mail Server IPs

  • 91.212.136.1 ↩ mx.mymailwall.com

SOA Record

Raw SOA ns67.domaincontrol.com dns.jomax.net 2026022201 28800 7200 604800 600
Primary NS (mname)
ns67.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026022201
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns68.domaincontrol.com
ns67.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 a mx a:smtp.ispworks.net ip4:62.225.105.18 include:spf.protection.outlook.com include:ispgateway.de include:spf.crsend.com include:mymailwall.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; adkim=r; aspf=r; 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

5 records
  • apple-domain-verification=pmTr2QtDWxWYFLRI
  • SPFv=spf1 a mx a:smtp.ispworks.net ip4:62.225.105.18 include:spf.protection.outlook.com include:ispgateway.de include:spf.crsend.com include:mymailwall.com -all
  • BA7RC778NW98T93A4NQ896WZ2VSE99YN
  • wksnKc89MK7limvK/Ub7t5TkKs+hQuqiOoCutZMQpEC8g7bLySo4SaSgUmNqepirYU9LAfHafBnKSaftE5GnYA==
  • MS=B2B99DDB20D4B57027931843B5D62F8BBAB28FE8
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