ostimmo.lu

Valid Email Server
Domain Lookup › ostimmo.lu

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ostimmo.lu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-19 16:04:01 UTC · ↺ Refresh

MX Hostnames

  • ostimmo-lu.mail.protection.outlook.com

MX Priorities

  • ostimmo-lu.mail.protection.outlook.com: 0

A / AAAA Records

  • 99.83.190.102 ↩ aacb0a264e514dd48.awsglobalaccelerator.com
  • 75.2.70.75 ↩ aacb0a264e514dd48.awsglobalaccelerator.com

Mail Server IPs

  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA kate.ns.cloudflare.com dns.cloudflare.com 2396801499 10000 2400 604800 1800
Primary NS (mname)
kate.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396801499
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

kate.ns.cloudflare.com
ram.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx ip4:49.12.7.117 include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

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=ms84693839
  • SPFv=spf1 a mx ip4:49.12.7.117 include:spf.protection.outlook.com ~all
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