rheiner-stahlbau.de

Valid Email Server
Domain Lookup › rheiner-stahlbau.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rheiner-stahlbau.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 08:44:24 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 185.175.196.12 (no PTR)
  • 2a00:1c98:60:1020::1:54d8:c74f (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns2.knipp.de dnsmaster.irondns.net 2024032768 10800 3000 2419200 900
Primary NS (mname)
ns2.knipp.de
Admin Email (rname)
dnsmaster@irondns.net
Serial
2024032768
Refresh
10800s
Retry
3000s
Expire
2419200s
Minimum TTL
900s

Nameservers (NS)

ns3.knipp.de
ns2.knipp.de
ns17.knipp.net

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:212.144.227.246 ip4:212.144.124.57 ip4:2.207.243.132 ip4:212.144.227.244 include:spf.hornetsecurity.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

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

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

4 records
  • facebook-domain-verification=n5iym8lz6uo99ux7xtk9rztnrzdb7v
  • SPFv=spf1 mx ip4:212.144.227.246 ip4:212.144.124.57 ip4:2.207.243.132 ip4:212.144.227.244 include:spf.hornetsecurity.com -all
  • knowbe4-site-verification=653136ace7338f13fb1eaa189dab7df3
  • MS=ms80369403
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