koch-baugmbh.de

Valid Email Server
Domain Lookup › koch-baugmbh.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
koch-baugmbh.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 20:34:42 UTC · ↺ Refresh

MX Hostnames

  • kochbaugmbh-de01b.mail.protection.outlook.com
  • mx3.cab-solutions.de
  • mx1.cab-solutions.de
  • mx4.cab-solutions.de
  • mx2.cab-solutions.de

MX Priorities

  • mx3.cab-solutions.de: 30
  • kochbaugmbh-de01b.mail.protection.outlook.com: 100
  • mx2.cab-solutions.de: 20
  • mx4.cab-solutions.de: 40
  • mx1.cab-solutions.de: 10

A / AAAA Records

  • 116.203.194.142

Mail Server IPs

  • 38.101.250.150 ↩ fe3-r2-in.atl06.l.antispamcloud.com
  • 2001:550:2:78::ca:100 ↩ fe3-r2-in.atl06.l.antispamcloud.com
  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
  • 38.71.16.244
  • 2001:550:2:3::62:100
  • 38.89.254.156
  • 2001:550:2:61::2fc:100

SOA Record

Raw SOA ns1.domaindiscount24.net tech.key-systems.net 2026031909 10800 3600 604800 28800
Primary NS (mname)
ns1.domaindiscount24.net
Admin Email (rname)
tech@key-systems.net
Serial
2026031909
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s

Nameservers (NS)

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

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 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
  • google-site-verification=an4BtVgDUJmEaIZeVK0DO04spmBIP3fP_gcirNeeGEA
  • MS=ms15330095
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • facebook-domain-verification=sakug81jjvljgcjlwnf7ra4bq41co3
  • google-site-verification=5y2yGmflfj7ClXIIq649b3zvcHWWfpufEkxwfBsqiIY
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 koch-baugmbh.de

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

No credit card required
Get 1,000 Free Credits