heunert.de

Valid Email Server
Domain Lookup › heunert.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
heunert.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-04 13:46:35 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • mx02.hornetsecurity.com: 10
  • mx04.hornetsecurity.com: 10
  • mx03.hornetsecurity.com: 10
  • mx01.hornetsecurity.com: 10

A / AAAA Records

  • 148.251.171.251 ↩ k58w14.meinserver.io

Mail Server IPs

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

SOA Record

Raw SOA ns1.mk.de hostmaster.mk.de 2022011869 10800 3600 604800 300
Primary NS (mname)
ns1.mk.de
Admin Email (rname)
hostmaster@mk.de
Serial
2022011869
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1.mk.de
ns2.mk.de

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:62.54.209.42 include:spf.protection.outlook.com include:spf.hornetsecurity.com ip4:212.90.141.101 ip4:176.95.152.74 ip4:46.22.43.13 ip4:46.22.43.14 ip4:148.251.171.251 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

5 records
  • google-site-verification=SfKZpE7XBuEX3-nozdvXf-D3q5Sm3voy_mPzqMBeibQ
  • _g0w6bq6ojvx6mx1m2lrzajij1n4ky7a
  • SPFv=spf1 a mx ip4:62.54.209.42 include:spf.protection.outlook.com include:spf.hornetsecurity.com ip4:212.90.141.101 ip4:176.95.152.74 ip4:46.22.43.13 ip4:46.22.43.14 ip4:148.251.171.251 -all
  • MS=ms29167691
  • sw-domain-hash=c7ae3e533bbd53f85836ad836e5369b4
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