onit-gmbh.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
onit-gmbh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 15:52:00 UTC · ↺ Refresh

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MX Hostnames

  • mail05.mail-gw.de
  • mail04.mail-gw.de
  • server17.onit4u.de

MX Priorities

  • mail04.mail-gw.de: 10
  • mail05.mail-gw.de: 20
  • server17.onit4u.de: 30

A / AAAA Records

  • 88.198.252.97 ↩ 17-ipv4-88-198-252-97.onit4u.de

Mail Server IPs

  • 95.130.17.242 ↩ mail04.mail-gw.de
  • 95.130.17.244 ↩ mail05.mail-gw.de
  • 213.239.204.197 ↩ server17.onit4u.de

SOA Record

Raw SOA ns1.domainers.de hostmaster.domainbestellsystem.com 2026032001 28800 7200 604800 3600
Primary NS (mname)
ns1.domainers.de
Admin Email (rname)
hostmaster@domainbestellsystem.com
Serial
2026032001
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns1.domainers.de
ns2.domainers.de
ns3.domainers.de
ns4.domainers.de

SPF Record

✓ Soft Fail (~all)
v=spf1 a ip4:87.191.185.204 ip4:95.130.17.0/24 ip4:185.98.184.0/24 ip4:80.82.206.0/26 ip4:80.153.106.46 ip4:217.86.143.34 include:_spf.sendnode.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];adkim=r;aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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 a ip4:87.191.185.204 ip4:95.130.17.0/24 ip4:185.98.184.0/24 ip4:80.82.206.0/26 ip4:80.153.106.46 ip4:217.86.143.34 include:_spf.sendnode.com ~all
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