heitkamp-stb.de

Valid Email Server
Domain Lookup › heitkamp-stb.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
heitkamp-stb.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-22 06:28:14 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 159.69.55.135 ↩ static.135.55.69.159.clients.your-server.de
  • 2a01:4f8:c014:31b3::1 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns1049.ui-dns.org hostmaster.1und1.com 2017060228 28800 7200 604800 600
Primary NS (mname)
ns1049.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060228
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1057.ui-dns.biz
ns1125.ui-dns.com
ns1090.ui-dns.de
ns1049.ui-dns.org

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com a:mail.fp-sign.com ip4:83.246.89.68/32 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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
  • google-site-verification=mvUnlJ6bCnA5sBTPDntc3-ULAcf9vVU2L2AEXvKc_kU
  • brevo-code:ca09640ccc326830ec6b2b1871fbe494
  • SPFv=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com a:mail.fp-sign.com ip4:83.246.89.68/32 ~all
  • MS=ms62393365
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