seitz-hamburg.de

Valid Email Server
Domain Lookup › seitz-hamburg.de

Domain Overview

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

Checked via [email protected] · 2026-04-01 18:25:14 UTC · ↺ Refresh

MX Hostnames

  • vworker01.irz42.net

MX Priorities

  • vworker01.irz42.net: 100

A / AAAA Records

  • 212.12.54.124 ↩ vworker01.arge-online.net

Mail Server IPs

  • 212.12.54.3 ↩ vworker01.irz42.net
  • 2a00:14b0:4200:3600::3 ↩ vworker01.irz42.net

SOA Record

Raw SOA p-dns.irz42.net hostmaster.crew-gmbh.de 2026021901 10800 3600 608062 86442
Primary NS (mname)
p-dns.irz42.net
Admin Email (rname)
hostmaster@crew-gmbh.de
Serial
2026021901
Refresh
10800s
Retry
3600s
Expire
608062s
Minimum TTL
86442s

Nameservers (NS)

s-dns.irz42.net
p-dns.irz42.net

SPF Record

✓ Soft Fail (~all)
v=spf1 mx ip4:212.12.54.124 ip6:2a00:14b0:4200:3600::16 ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate 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

1 record
  • SPFv=spf1 mx ip4:212.12.54.124 ip6:2a00:14b0:4200:3600::16 ~all
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