seku.ch

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

Domain Overview

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

Checked via [email protected] · 2026-09-11 03:55:42 UTC · ↺ Refresh

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MX Hostnames

  • seku-ch.mail.protection.outlook.com

MX Priorities

  • seku-ch.mail.protection.outlook.com: 0

A / AAAA Records

  • 116.203.230.71 ↩ static.71.230.203.116.clients.your-server.de

Mail Server IPs

  • 52.101.103.137 ↩ mail-miypr02cu00101.inbound.protection.outlook.com
  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 52.101.181.156 ↩ mail-wa4pr05cu00104.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c967::8 ↩ mail-cpjpr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::6 ↩ mail-zrxpr04cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca21::e ↩ mail-matpr04cu00306.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.cyon.ch server.cyon.ch 2023112900 3600 7200 1209600 86400
Primary NS (mname)
ns1.cyon.ch
Admin Email (rname)
server@cyon.ch
Serial
2023112900
Refresh
3600s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns1.cyon.ch
ns2.cyon.ch

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.smtp.com include:spf.protection.outlook.com include:spf.bestview.ch -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

2 records
  • MS=ms72937031
  • SPFv=spf1 include:_spf.smtp.com include:spf.protection.outlook.com include:spf.bestview.ch -all
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