suub.uni-bremen.de

Valid Email Server
Domain Lookup › suub.uni-bremen.de
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
suub.uni-bremen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-31 20:05:39 UTC · ↺ Refresh

MX Hostnames

  • web-gast-mx.zfn.uni-bremen.de

MX Priorities

  • web-gast-mx.zfn.uni-bremen.de: 20

A / AAAA Records

  • 134.102.193.203 ↩ suub.uni-bremen.de

Mail Server IPs

  • 134.102.22.228 ↩ web-gast-mx.zfn.uni-bremen.de

SOA Record

No SOA record found.

Nameservers (NS)

No nameservers found.

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:134.102.196.32 ip4:134.102.22.0/23 ip4:134.102.50.0/24 ip6:2001:638:708:32::/64 include:gbv.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

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

DKIM Selectors

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

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

All TXT Records

4 records
  • SPFv=spf1 a mx ip4:134.102.196.32 ip4:134.102.22.0/23 ip4:134.102.50.0/24 ip6:2001:638:708:32::/64 include:gbv.de -all
  • Staats- und Universitaetsbiliothek
  • atlassian-domain-verification=dKpaqe0eTgIHWnLGOjK5LNUwXswghYbm/IDelWagdhwgPruonYFKytSGLgE4HmOp
  • MS=3A0116F7A798A7DEF0A9435CC3F9679813540039
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