omr.ch

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

Domain Overview

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

Checked via [email protected] · 2026-09-10 15:15:36 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

  • omr-ch.mail.protection.outlook.com: 10

A / AAAA Records

  • 185.46.57.225 ↩ mc20n2509.dnh.net

Mail Server IPs

  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA dns1.swizzonic.ch hostmaster.swizzonic.ch 2026033101 10800 3600 604800 86400
Primary NS (mname)
dns1.swizzonic.ch
Admin Email (rname)
hostmaster@swizzonic.ch
Serial
2026033101
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

dns2.swizzonic.ch
dns1.swizzonic.ch

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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

5 records
  • classroom-cloud-domain-verification=debcd9ea-a1ab-4bc6-b29b-931a2a0d5ab1
  • MS=ms70235085
  • MS=9487599E7BDEE199BF62457E9FAA738819950726
  • apple-domain-verification=WXZt6d09L5l4yd3V
  • SPFv=spf1 include:spf.protection.outlook.com -all
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