iwt-bremen.de

Valid Email Server
Domain Lookup › iwt-bremen.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
iwt-bremen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 08:16:30 UTC · ↺ Refresh

MX Hostnames

  • mailgate.iwt-bremen.de

MX Priorities

  • mailgate.iwt-bremen.de: 10

A / AAAA Records

  • 134.102.245.247 ↩ lutetium.iwt.uni-bremen.de

Mail Server IPs

  • 134.102.245.7 ↩ perikles.iwt.uni-bremen.de

SOA Record

Raw SOA ns.iwt-bremen.de webmaster.iwt-bremen.de 1773239862 3600 600 1209600 1200
Primary NS (mname)
ns.iwt-bremen.de
Admin Email (rname)
webmaster@iwt-bremen.de
Serial
1773239862
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
1200s

Nameservers (NS)

dns-3.dfn.de
dns-2.dfn.de
ns.iwt-bremen.de
dns-1.dfn.de

SPF Record

✓ Strict (-all)
v=spf1 mx mx:uni-bremen.de ip4:134.102.245.95 ?ip4:134.102.244.0/24 ?ip4:134.102.245.0/24 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=r; aspf=r; pct=100; ri=3600; sp=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

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
  • google-site-verification=d_sytuIlrxYk35DUzB_ypvBGefiOHU1QQ3-R2zChLRE
  • adobe-idp-site-verification=86089a3377aa9bb8fd151226c27014cb9ae5a2c8ad2bbff73cb04c4fd07db545
  • HARICA-n3D0EF5TAUg2EQjpkRx
  • MS=42041F8E09B834FFBF6C26130798B0A7288DC875
  • cisco-ci-domain-verification=7050ef1d940a0282cdb2cce2ba08d499e9de5a564a82b4a2fc91e70ede1a33d4
  • SPFv=spf1 mx mx:uni-bremen.de ip4:134.102.245.95 ?ip4:134.102.244.0/24 ?ip4:134.102.245.0/24 -all
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 iwt-bremen.de

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

No credit card required
Get 1,000 Free Credits