deltatherm.de

Valid Email Server
Domain Lookup › deltatherm.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
deltatherm.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 18:57:23 UTC · ↺ Refresh

MX Hostnames

  • mx01.hornetsecurity.com
  • mx02.hornetsecurity.com

MX Priorities

  • mx01.hornetsecurity.com: 10
  • mx02.hornetsecurity.com: 20

A / AAAA Records

  • 81.169.145.64 ↩ w00.rzone.de
  • 2a01:238:20a:202:1064:: ↩ w00.rzone.de

Mail Server IPs

  • 94.100.132.8 ↩ mx01.hornetsecurity.com
  • 94.100.136.8 ↩ mx02.hornetsecurity.com

SOA Record

Raw SOA shades18.rzone.de hostmaster.strato-rz.de 2020051450 86400 7200 604800 300
Primary NS (mname)
shades18.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020051450
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

docks18.rzone.de
shades18.rzone.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; fo=1; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

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

6 records
  • MS=04C2565733333A049736471D99414284A0B94CDF
  • zscaler-verification-32702474-11272025-zae9qWmB21
  • SPFv=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com ~all
  • google-site-verification=68Ihi5QPUnw-iJEeRoniFwYDhERL6j1kDMRn7BEHOY0
  • MS=ms28469438
  • google-site-verification=dkmzaxO7Kvt11SJr_63a30QQmv8_vR-LBUJ3mqTinbQ
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