halbmond.de

Valid Email Server
Domain Lookup › halbmond.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
halbmond.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 22:39:37 UTC · ↺ Refresh

MX Hostnames

  • mx1.htw-net.de
  • mx0.htw-net.de

MX Priorities

  • mx0.htw-net.de: 10
  • mx1.htw-net.de: 20

A / AAAA Records

  • 78.46.91.250 ↩ devel.applicationhost.de

Mail Server IPs

  • 45.15.121.34 (no PTR)
  • 195.50.145.218 (no PTR)

SOA Record

Raw SOA is-0.htw-net.de administration.halbmond.de 2025121101 10800 3600 604800 1800
Primary NS (mname)
is-0.htw-net.de
Admin Email (rname)
administration@halbmond.de
Serial
2025121101
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

is-1.htw-net.de
is-0.htw-net.de
is-2.htw-net.de

SPF Record

✓ Strict (-all)
v=spf1 a:server0.htw-net.de a:server1.htw-net.de a:is-0.htw-net.de a:is-1.htw-net.de a:is-2.htw-net.de -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

3 records
  • n53td96e0o952p7056bd38tgc6
  • _globalsign-domain-verification=cdAGJfDigTqpLWtg_fVAt5Gs7RzKswZ5MB6Jt6lCDN
  • SPFv=spf1 a:server0.htw-net.de a:server1.htw-net.de a:is-0.htw-net.de a:is-1.htw-net.de a:is-2.htw-net.de -all
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