heinrich-haus.de

Valid Email Server
Domain Lookup › heinrich-haus.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
heinrich-haus.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 12:46:10 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • mx2.mas.t-systems-service.com: 20
  • mx3.mas.t-systems-service.com: 50
  • mx1.mas.t-systems-service.com: 10

A / AAAA Records

  • 193.26.15.170 (no PTR)

Mail Server IPs

  • 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
  • 46.29.101.1 ↩ muc-mta01.mas.t-systems-service.com
  • 94.100.254.155 ↩ ffm-mta01.mas.t-systems-service.com

SOA Record

Raw SOA ns1066.ui-dns.de hostmaster.schlund.de 2016110454 28800 7200 604800 300
Primary NS (mname)
ns1066.ui-dns.de
Admin Email (rname)
hostmaster@schlund.de
Serial
2016110454
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1066.ui-dns.org
ns1066.ui-dns.com
ns1066.ui-dns.biz
ns1066.ui-dns.de

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a:mail.heinrich-haus.de a:spf.mas.t-systems-service.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

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=mqI1ExVzKVlmw1qA
  • MS=ms14663952
  • atlassian-domain-verification=a41xaFqsbHvu5/9Us8WvsmcV/p5wUUmu5DYehZ42GvPibZqHvbCJhMsALxMxwjlR
  • adobe-idp-site-verification=90fb0c3849d72d2f8c8e4185d641a32a26a9d07734ac1a8904104fc85e27418d
  • SPFv=spf1 mx a:mail.heinrich-haus.de a:spf.mas.t-systems-service.com ~all
  • cisco-ci-domain-verification=41c1bb86def488f7b0b6d4cd8038fba3389de62c75e8bf3151f359296930add8
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for heinrich-haus.de

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits