rocket-x.de

Valid Email Server
Domain Lookup › rocket-x.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rocket-x.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 08:59:05 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 185.237.65.218 ↩ r28873.agenturserver.it

Mail Server IPs

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

SOA Record

Raw SOA ns.lf.net hostmaster.lf.net 2026011400 86400 7200 604800 3600
Primary NS (mname)
ns.lf.net
Admin Email (rname)
hostmaster@lf.net
Serial
2026011400
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns2.lf.net
dns3.lf.net
dns1.lf.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com include:139516512.spf04.hubspotemail.net a:mail.rocket-x.de ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate 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

5 records
  • SPFv=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com include:139516512.spf04.hubspotemail.net a:mail.rocket-x.de ~all
  • apple-domain-verification=cxgR1g3fBqcGhyxq
  • MS=ms27310929
  • google-site-verification=BIBN5lS8j-phe1kYfTQ9iVeFzdhhvVX2Uz1Ll9Qoadk
  • tiktok-developers-site-verification=IuAn8fwBSv2Qb0onsBlRK2aq7ZONbHcV
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 rocket-x.de

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

No credit card required
Get 1,000 Free Credits