osmers-immobilien.de

Valid Email Server
Domain Lookup › osmers-immobilien.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
osmers-immobilien.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-04 01:32:14 UTC · ↺ Refresh

MX Hostnames

  • mx02.celleweb.de
  • mx01.celleweb.de

MX Priorities

  • mx02.celleweb.de: 10
  • mx01.celleweb.de: 10

A / AAAA Records

  • 144.76.110.78 ↩ db15.ddnetservice.net

Mail Server IPs

  • 144.76.140.133 ↩ mx02.celleweb.de
  • 2a01:4f8:200:1484::2 ↩ mx02.celleweb.de
  • 148.251.233.182 ↩ mx01.celleweb.de

SOA Record

Raw SOA dns.celleweb.de noc.celleweb.de 2024012501 28800 7200 604800 86400
Primary NS (mname)
dns.celleweb.de
Admin Email (rname)
noc@celleweb.de
Serial
2024012501
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns2.celleweb.de
dns.celleweb.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.ddnetservice.net ~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

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 include:_spf.ddnetservice.net ~all
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