studierendenwerk-hamburg.de

Valid Email Server
Domain Lookup › studierendenwerk-hamburg.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
studierendenwerk-hamburg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-22 00:37:02 UTC · ↺ Refresh

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MX Hostnames

  • mailrelay.studierendenwerk-hamburg.de
  • mail.stwhh.de

MX Priorities

  • mail.stwhh.de: 10
  • mailrelay.studierendenwerk-hamburg.de: 1000

A / AAAA Records

  • 45.144.186.41 (no PTR)

Mail Server IPs

  • 87.234.240.130 ↩ mail.stwhh.de
  • 89.27.237.249 ↩ mailrelay.studierendenwerk-hamburg.de

SOA Record

Raw SOA ns0.engine-productions.de do-not-reply.studierendenwerk-hamburg.de 2026030300 43200 7200 1209600 86400
Primary NS (mname)
ns0.engine-productions.de
Admin Email (rname)
do-not-reply@studierendenwerk-hamburg.de
Serial
2026030300
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns0.engine-productions.de
ns1.engine-productions.de

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:87.234.240.128/26 ip4:89.27.237.224/27 ip4:212.79.55.66/32 include:spf.protection.outlook.com include:agenturserver.de -all
📊 DNS lookups: 4/10
✓ 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

6 records
  • swisssign-check=RVYO37hIrzdbWPjfCwSXA4EHYgk
  • SPFv=spf1 a mx ip4:87.234.240.128/26 ip4:89.27.237.224/27 ip4:212.79.55.66/32 include:spf.protection.outlook.com include:agenturserver.de -all
  • 5t0rqiajkku2vebqr5qmm2r6i1
  • domainVerification=9cd5ff59-340a-46ca-87fd-e9b63f28eaa2
  • 8mfj3ueleve6g52tiqke02mu0j
  • MS=ms70208220
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