hotel-jacob.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
hotel-jacob.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 16:33:21 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • mx02.hornetsecurity.com: 20
  • mx01.hornetsecurity.com: 10
  • mx03.hornetsecurity.com: 40
  • mx04.hornetsecurity.com: 50

A / AAAA Records

  • 162.55.158.153 ↩ ingress.h9acc4.flownative.cloud
  • 2a01:4f8:1c1d:3a6::1 ↩ ingress.h9acc4.flownative.cloud

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 domains.nets.de 2025110304 43200 7200 1209600 600
Primary NS (mname)
a.ns14.net
Admin Email (rname)
domains@nets.de
Serial
2025110304
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

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

SPF Record

✓ Strict (-all)
v=spf1 include:spf.dsr-hotelholding.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;sp=reject;pct=100;ruf=mailto:[email protected];adkim=r;aspf=s;fo=s;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject

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

8 records
  • cisco-ci-domain-verification=71d9f32e80411c44f6536a3cbcda6de4a6976375ae3b9d1b39a168e05df9e903
  • SPFv=spf1 include:spf.dsr-hotelholding.de -all
  • google-site-verification=HA_-4ugGsbZebbQRElM684wUJ6WUGCP2-O-dRWkHhhA
  • _315q6alfhbi6b033qtgilfzi8maqv5i
  • MS=ms47653967
  • n77qknl4ddd7prz5ng0s554kp9n58lnq
  • _idsa7qo5fsmpsa1em1kwha3ttqy0i2z
  • hepY4suemRJ280NJVee/P37r9mRAC7+YHCFqLHdZm2lTR0yxIte6D3W9UtG/ud/QRUWMXDbJ77a/TI64kd6trQ==
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