freizeit-oasen.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
freizeit-oasen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-22 10:53:38 UTC · ↺ Refresh

MX Hostnames

  • mx01.hornetsecurity.com
  • mx04.hornetsecurity.com
  • mx03.hornetsecurity.com
  • mx02.hornetsecurity.com

MX Priorities

  • mx01.hornetsecurity.com: 10
  • mx04.hornetsecurity.com: 40
  • mx03.hornetsecurity.com: 30
  • mx02.hornetsecurity.com: 20

A / AAAA Records

  • 81.88.34.56 ↩ host187.alfahosting-server.de

Mail Server IPs

  • 94.100.132.8 ↩ mx01.hornetsecurity.com
  • 94.100.136.7 ↩ mx04.hornetsecurity.com
  • 94.100.134.8 ↩ mx03.hornetsecurity.com
  • 94.100.136.8 ↩ mx02.hornetsecurity.com

SOA Record

Raw SOA cns1.alfahosting.info hostmaster.alfahosting.de 2026011301 28800 7200 604800 10800
Primary NS (mname)
cns1.alfahosting.info
Admin Email (rname)
hostmaster@alfahosting.de
Serial
2026011301
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
10800s

Nameservers (NS)

cns2.alfahosting.info
cns1.alfahosting.info
cns3.alfahosting.info

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:5.35.252.217 ip4:93.241.61.138 ip4:193.175.11.195 include:spf.protection.outlook.com include:spf.hornetsecurity.com include:spf-de.emailsignatures365.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

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

All TXT Records

2 records
  • sendinblue-code:6a2a687616d69768eb30fa5d5e3a77d7
  • SPFv=spf1 ip4:5.35.252.217 ip4:93.241.61.138 ip4:193.175.11.195 include:spf.protection.outlook.com include:spf.hornetsecurity.com include:spf-de.emailsignatures365.com ~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 freizeit-oasen.de

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

No credit card required
Get 1,000 Free Credits