ace.ch

Valid Email Server

Domain Overview

DNS: ✓ 1mo ago Checker: ✓ 1mo ago
ace.ch
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-10 18:15:10 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 198.185.159.145 (no PTR)
  • 198.49.23.144 (no PTR)
  • 198.49.23.145
  • 198.185.159.144

Mail Server IPs

  • 52.101.209.28 ↩ mail-cpjpr05cu00104.inbound.protection.outlook.com
  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.103.36 ↩ mail-miypr05cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::28 ↩ mail-am6pr02cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
  • 2a01:111:f403:ca21::a ↩ mail-maspr04cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns1-02.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-02.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns3-02.azure-dns.org
ns4-02.azure-dns.info
ns1-02.azure-dns.com
ns2-02.azure-dns.net

SPF Record

✓ Strict (-all)
v=spf1 a:smtp-relay.ace.ch include:spf.protection.outlook.com include:sharepointonline.com include:_spf.psm.knowbe4.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=s; aspf=s;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict · 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

3 records
  • anthropic-domain-verification-sftydy=jPBrMO4mCNNvihQRSvCrTZCzT
  • MS=ms35978195
  • SPFv=spf1 a:smtp-relay.ace.ch include:spf.protection.outlook.com include:sharepointonline.com include:_spf.psm.knowbe4.com -all
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