proposition-gmbh.de

Valid Email Server
Domain Lookup › proposition-gmbh.de

Domain Overview

DNS: ✓ 2d ago Checker: ✓ 2d ago
proposition-gmbh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-19 04:25:16 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 217.160.0.177 ↩ 217-160-0-177.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com

Mail Server IPs

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

SOA Record

Raw SOA ns1080.ui-dns.org hostmaster.1und1.com 2017060149 28800 7200 604800 600
Primary NS (mname)
ns1080.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060149
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1080.ui-dns.org
ns1039.ui-dns.de
ns1078.ui-dns.com
ns1022.ui-dns.biz

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:46.41.24.74 include:spf.ess.de.barracudanetworks.com include:spf.protection.outlook.com include:ispgateway.de include:spf.hornetsecurity.com ~all
📊 DNS lookups: 4/10
~ 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

6 records
  • MS=ms20555499
  • SPFv=spf1 ip4:46.41.24.74 include:spf.ess.de.barracudanetworks.com include:spf.protection.outlook.com include:ispgateway.de include:spf.hornetsecurity.com ~all
  • b4v76gxyhkzxhmbgcgbnc3z8z9sx1ydv
  • fMwTrXIKPu4isakabMbJhMru7Un43LeV
  • yekOz9PabhR+MnSM+zDpjmHx/atpaWhxp3kpZb7AyXPOsSGp5UdqOqClU7Wxt+FM0NZRnALizHrp0iME5JQksg==
  • DMARCv=DMARC1;p=quarantine;pct=100
Full email verification for proposition-gmbh.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits