betriebssport-partner.de

Valid Email Server
Domain Lookup › betriebssport-partner.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
betriebssport-partner.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 23:28:42 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 88.198.53.4 ↩ db16.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.ddnetservice.net 2024122101 7200 540 604800 3600
Primary NS (mname)
dns.celleweb.de
Admin Email (rname)
noc@ddnetservice.net
Serial
2024122101
Refresh
7200s
Retry
540s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns.celleweb.de
ns2.celleweb.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.ddnetservice.net ip4:88.198.53.4 ~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 include:_spf.ddnetservice.net ip4:88.198.53.4 ~all
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for betriebssport-partner.de

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits