cismst.de

Valid Email Server
Domain Lookup › cismst.de
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
cismst.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-04 18:23:57 UTC · ↺ Refresh

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MX Hostnames

  • mx-02-eu-central-1.prod.hydra.sophos.com
  • mx-01-eu-central-1.prod.hydra.sophos.com

MX Priorities

  • mx-02-eu-central-1.prod.hydra.sophos.com: 20
  • mx-01-eu-central-1.prod.hydra.sophos.com: 10

A / AAAA Records

  • 85.13.141.139 ↩ dd18712.kasserver.com

Mail Server IPs

  • 3.73.46.24 ↩ ec2-3-73-46-24.eu-central-1.compute.amazonaws.com
  • 3.120.89.189 ↩ ec2-3-120-89-189.eu-central-1.compute.amazonaws.com

SOA Record

Raw SOA ns5.kasserver.com hostmaster.kasserver.com 2604091117 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2604091117
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s

Nameservers (NS)

ns5.kasserver.com
ns6.kasserver.com
ns5.name-server-kas.de
ns3.ai-dns.de

SPF Record

✓ Strict (-all)
v=spf1 a mx a:firewall.cismst.de include:spf.protection.outlook.com include:_spf_eucentral1.prod.hydra.sophos.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=s; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Strict
📧 Reports → mailto:[email protected]

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

1 record
  • SPFv=spf1 a mx a:firewall.cismst.de include:spf.protection.outlook.com include:_spf_eucentral1.prod.hydra.sophos.com -all
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