marum.de

Valid Email Server
Domain Lookup › marum.de

Domain Overview

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

Checked via [email protected] · 2026-03-24 16:40:28 UTC · ↺ Refresh

MX Hostnames

  • mail1.marum.de
  • mail2.marum.de

MX Priorities

  • mail2.marum.de: 20
  • mail1.marum.de: 10

A / AAAA Records

  • 134.102.234.63 ↩ www2.theoceanfloor.de

Mail Server IPs

  • 134.102.234.18 ↩ mail2.marum.de
  • 134.102.234.17 ↩ mail1.marum.uni-bremen.de

SOA Record

Raw SOA ines.zfn.uni-bremen.de helms.zfn.uni-bremen.de 2026031192 3600 200 1209700 7200
Primary NS (mname)
ines.zfn.uni-bremen.de
Admin Email (rname)
helms@zfn.uni-bremen.de
Serial
2026031192
Refresh
3600s
Retry
200s
Expire
1209700s
Minimum TTL
7200s

Nameservers (NS)

ns.informatik.uni-bremen.de
deneb.dfn.de
ines.zfn.uni-bremen.de

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:134.102.234.15 ip4:134.102.234.17 ip4:134.102.234.18 ip4:134.102.234.19 ip4:134.102.234.37 ip4:134.102.234.126 ip4:134.102.234.56 include:spf.eprov.eu a:marumfreunde.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; fo=0:s; adkim=r; aspf=r
✓ Reject — strongest protection
📋 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

4 records
  • MS=ms37500307
  • google-site-verification=tLzQWruBqInkZ0FPO8Lve0Nl0dTok0IBNbzYLBVwhz0
  • SPFv=spf1 mx ip4:134.102.234.15 ip4:134.102.234.17 ip4:134.102.234.18 ip4:134.102.234.19 ip4:134.102.234.37 ip4:134.102.234.126 ip4:134.102.234.56 include:spf.eprov.eu a:marumfreunde.de -all
  • apple-domain-verification=0IWMyzgkEH2sILix
Full email verification for marum.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits