acatech.de

Valid Email Server
Domain Lookup › acatech.de

Domain Overview

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

Checked via [email protected] · 2026-03-27 23:04:23 UTC · ↺ Refresh

MX Hostnames

  • mx1.mas.t-systems-service.com
  • mx3.mas.t-systems-service.com
  • mx2.mas.t-systems-service.com

MX Priorities

  • mx1.mas.t-systems-service.com: 10
  • mx3.mas.t-systems-service.com: 30
  • mx2.mas.t-systems-service.com: 20

A / AAAA Records

  • 188.40.30.32 ↩ www473.your-server.de

Mail Server IPs

  • 46.29.101.1 ↩ muc-mta01.mas.t-systems-service.com
  • 46.29.101.2 ↩ muc-mta02.mas.t-systems-service.com
  • 217.150.155.10 ↩ mgb-mta01.mas.t-systems-service.com
  • 217.150.155.12 ↩ mgb-mta02.mas.t-systems-service.com
  • 94.100.254.155 ↩ ffm-mta01.mas.t-systems-service.com

SOA Record

Raw SOA ns.udag.de hostmaster.united-domains.de 2024082807 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2024082807
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns.udag.de
ns.udag.org
ns.udag.net

SPF Record

✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.de ip4:193.201.168.38/32 ip4:193.201.168.170/31 ip4:194.45.37.20 a:spf.mas.t-systems-service.com include:spf.sendinblue.com include:spf.nl2go.com include:spf.codepiraten.com include:amazonses.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected],mailto:[email protected]!10m; ruf=mailto:[email protected],mailto:[email protected]!10m; rf=afrf; pct=100; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]!10m
↳ Subdomain policy: none

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

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

All TXT Records

6 records
  • SPFv=spf1 a mx include:spf.protection.outlook.de ip4:193.201.168.38/32 ip4:193.201.168.170/31 ip4:194.45.37.20 a:spf.mas.t-systems-service.com include:spf.sendinblue.com include:spf.nl2go.com include:spf.codepiraten.com include:amazonses.com -all
  • google-site-verification=S_RH-_A49VSw9Vn-bUcs3kmxPdtawBnBWSdEUdReN0Q
  • Sendinblue-code:d9ab90868db512d34654329ba9917b4c
  • MS=ms49464157
  • _telesec-domain-validation=313630_2022-12-16_7YPIJAHfBZcYlGIYipHktnzuWmrY84f3ZS9u7B22IG58HMKlRl
  • brevo-code:c10949924623c2981edf0f372307a3e8
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