lis.bremen.de

Valid Email Server
Domain Lookup › lis.bremen.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
lis.bremen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-02 12:48:48 UTC · ↺ Refresh

MX Hostnames

  • mx2-hb.dataport-mail.de
  • mx1-hb.dataport-mail.de

MX Priorities

  • mx2-hb.dataport-mail.de: 10
  • mx1-hb.dataport-mail.de: 10

A / AAAA Records

  • 80.228.237.36 ↩ dyndsl-80-228-237-036.ewe-ip-backbone.de
  • 80.228.237.35 ↩ dyndsl-80-228-237-035.ewe-ip-backbone.de

Mail Server IPs

  • 141.91.18.202 ↩ mx2.bremen.de
  • 141.91.18.198 ↩ mx1-hb.dataport-mail.de

SOA Record

Raw SOA scout.schule.bremen.de dns.schule.bremen.de 190 3600 900 1209600 900
Primary NS (mname)
scout.schule.bremen.de
Admin Email (rname)
dns@schule.bremen.de
Serial
190
Refresh
3600s
Retry
900s
Expire
1209600s
Minimum TTL
900s

Nameservers (NS)

scout.schule.bremen.de
ns3.schule.bremen.de
panduan.schule.bremen.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:85.13.136.5 ip4:82.198.211.3 ip4:82.198.211.5 ip4:82.198.211.10 include:_spf.bremen.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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

4 records
  • duo_sso_verification=k51neyNwa3crWVjjRjMlJgPXmzHXVaRWgRJN4Xbc5epqM5zTErj30QjKrRrl9mSo
  • SPFv=spf1 ip4:85.13.136.5 ip4:82.198.211.3 ip4:82.198.211.5 ip4:82.198.211.10 include:_spf.bremen.de -all
  • MS=B454C0112C99C7D0B9EEC2BA31ADFBA2BA68C61C
  • HARICA-kYnvr4JoMYeWa7OBmO4
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