barter-gmbh.de

Valid Email Server
Domain Lookup › barter-gmbh.de

Domain Overview

DNS: ✓ just now Checker: ✓ just now
barter-gmbh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-11-07 07:35:06 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 5.44.106.79 ↩ appsv05.steinbruch.info

Mail Server IPs

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

SOA Record

Raw SOA a.ns14.net gereon.steinbruch.info 2025080704 39940 14400 604800 43200
Primary NS (mname)
a.ns14.net
Admin Email (rname)
gereon@steinbruch.info
Serial
2025080704
Refresh
39940s
Retry
14400s
Expire
604800s
Minimum TTL
43200s

Nameservers (NS)

c.ns14.net
d.ns14.net
a.ns14.net
b.ns14.net

SPF Record

✓ Strict (-all)
v=spf1 a mx include:vserv02.steinbruch.info include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; [email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → [email protected]

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 216 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

2 records
  • SPFv=spf1 a mx include:vserv02.steinbruch.info include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
  • MS=ms57166658
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