3w-group.ch

Valid Email Server
Domain Lookup › 3w-group.ch

Domain Overview

DNS: ✓ 25d ago Checker: ✓ 25d ago
3w-group.ch
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-12 11:46:18 UTC · ↺ Refresh

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MX Hostnames

  • 3wgroup-ch0e.mail.protection.outlook.com

MX Priorities

  • 3wgroup-ch0e.mail.protection.outlook.com: 0

A / AAAA Records

  • 149.126.4.123 ↩ s114.cyon.net
  • 2a01:ab20:0:4::123 ↩ s114.cyon.net

Mail Server IPs

  • 52.101.209.28 ↩ mail-cpjpr05cu00104.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.73.145 ↩ mail-am6pr02cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::24 ↩ mail-am6pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::26 ↩ mail-am8pr83cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca21::8 ↩ mail-matpr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::8 ↩ mail-zrxpr05cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.cyon.ch server.cyon.ch 2023111630 86400 7200 3600000 86400
Primary NS (mname)
ns1.cyon.ch
Admin Email (rname)
server@cyon.ch
Serial
2023111630
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

ns1.cyon.ch
ns2.cyon.ch

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.cyon.net include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.bexio.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 include:spf.protection.cyon.net include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.bexio.com -all
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