cseb.ch

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

Domain Overview

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

Checked via [email protected] · 2026-10-30 07:32:43 UTC · ↺ Refresh

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MX Hostnames

  • mx.cse.activeguard.cloud

MX Priorities

  • mx.cse.activeguard.cloud: 10

A / AAAA Records

  • 149.126.4.59 ↩ s050.cyon.net
  • 2a01:ab20:0:4::59 ↩ s050.cyon.net

Mail Server IPs

  • 74.161.51.230 ↩ mx1.cse.activeguard.cloud
  • 74.161.51.229 ↩ mx2.cse.activeguard.cloud

SOA Record

Raw SOA ns1.cyon.ch server.cyon.ch 2024090901 86400 7200 3600000 86400
Primary NS (mname)
ns1.cyon.ch
Admin Email (rname)
server@cyon.ch
Serial
2024090901
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

ns2.cyon.ch
ns1.cyon.ch

SPF Record

✓ Strict (-all)
v=spf1 a mx mx:hin.ch include:servers.mcsv.net include:_spf.ch.activeguard.io -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 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

6 records
  • swisssign-check=39f0alaJWZ1jWRkl4ug6eIWLS6Y
  • apple-domain-verification=rfewrFQ3Ikt0ifem
  • SPFv=spf1 a mx mx:hin.ch include:servers.mcsv.net include:_spf.ch.activeguard.io -all
  • ZOOM_verify_KF9KagbVQTOKgmJ3YRLarQ
  • swisssign-check=H7zEM2a1SbbIri3F6omB6OE-AlU
  • google-site-verification=zESc1gBGumCE09k1qPpoY4eTNq6O99Ob-E4fg7q-LT4
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