centrotherm.de

Valid Email Server
Domain Lookup › centrotherm.de

Domain Overview

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

Checked via [email protected] · 2026-03-21 06:13:24 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 217.160.241.68 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns1.domaindiscount24.net tech.key-systems.net 2026031208 10800 3600 604800 28800
Primary NS (mname)
ns1.domaindiscount24.net
Admin Email (rname)
tech@key-systems.net
Serial
2026031208
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s

Nameservers (NS)

ns1.domaindiscount24.net
ns2.domaindiscount24.net
ns3.domaindiscount24.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:194.127.107.0/24 include:spf-de.emailsignatures365.com include:spf.hornetsecurity.com include:_spf.salesforce.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

16 records
  • sf1._domainkey.centrotherm.de IN CNAME sf1.o1r6wm.custdkim.salesforce.com
  • atlassian-domain-verification=4dIeKNNqfxjwzBdajl4gP2hTQK7/5aFY/p2DXFySbFH721CY4wVXlXkcw0q7vIWS
  • sf-uat1._domainkey.centrotherm.de IN CNAME sf-uat1.3dejv6.custdkim.salesforce.com
  • teamviewer-sso-verification=6235e609a9a1487a80ffe0fc3cdfb1a5
  • sf-uat2._domainkey.centrotherm.de IN CNAME sf-uat2.6b8nw5.custdkim.salesforce.com
  • 249m6r4t4s82wl1d4d8gzzvcrp3rshy1
  • apple-domain-verification=55ykpS7MSRctGRR0
  • SPFv=spf1 ip4:194.127.107.0/24 include:spf-de.emailsignatures365.com include:spf.hornetsecurity.com include:_spf.salesforce.com -all
  • _hooyl8vnma833p01xpkufxyddb8piax
  • 6r1dlcs2sdqp01fn1j2szzp4zk83bst7
  • _82xn4nsv00nn30ydpdvz7bire01e27y
  • 0p5dfrmrrzkb26z1s67f207jfyq2k0bb
  • b29wx5x6jd4jb2nllf7f1hgfl5nz3nrx
  • google-site-verification=F-B2Sc4nfLuZE64B3Y_qDrtQbnWi5y9hZOIXS7CMucc
  • sf2._domainkey.centrotherm.de IN CNAME sf2.sxxzyf.custdkim.salesforce.com
  • _k5ph9b91zyf1apa334hjtpimu3f7eh3
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