jacobs-gruppe.de

Valid Email Server
Domain Lookup › jacobs-gruppe.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
jacobs-gruppe.de
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-04 14:03:58 UTC · ↺ Refresh

MX Hostnames

  • mxb-0080e101.gslb.pphosted.com
  • mxa-0080e101.gslb.pphosted.com

MX Priorities

  • mxa-0080e101.gslb.pphosted.com: 10
  • mxb-0080e101.gslb.pphosted.com: 10

A / AAAA Records

  • 91.223.151.90 ↩ d51.udmedia.de

Mail Server IPs

  • 143.55.144.108 ↩ mx07-0080e101.pphosted.com
  • 205.220.185.92 ↩ mx08-0080e101.pphosted.com

SOA Record

Raw SOA ns3.powerdns.de technik.udmedia.de 2025110701 10800 3600 1209600 3600
Primary NS (mname)
ns3.powerdns.de
Admin Email (rname)
technik@udmedia.de
Serial
2025110701
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns3.powerdns.de
ns4.powerdns.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 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
  • MS=ms25070457
  • apple-domain-verification=2VSbd9FfJoWffBOG
  • SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
  • google-site-verification=u_4i6WeD6PoBSCs1I1aTqgwctRudZ1qYhmg1FG6LveE
  • tfqOjaff97n/eG2uYXW0c2svRqgCNItr8kEsY+X+csvxsDcOWRNnBvcRges5X+TjRW9FLxL+1Q+aemM1Hg0oqQ==
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 jacobs-gruppe.de

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

No credit card required
Get 1,000 Free Credits