isoi.tech

Valid Email Server
Domain Lookup › isoi.tech

Domain Overview

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

Checked via [email protected] · 2026-03-28 07:38:12 UTC · ↺ Refresh

MX Hostnames

  • isoi-tech.mail.protection.outlook.com

MX Priorities

  • isoi-tech.mail.protection.outlook.com: 10

A / AAAA Records

  • 104.21.14.190 (no PTR)
  • 172.67.160.42 (no PTR)
  • 2606:4700:3031::6815:ebe
  • 2606:4700:3032::ac43:a02a

Mail Server IPs

  • 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
  • 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
  • 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA lucy.ns.cloudflare.com dns.cloudflare.com 2398364543 10000 2400 604800 1800
Primary NS (mname)
lucy.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398364543
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

lucy.ns.cloudflare.com
luke.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:emsd1.com ~all
📊 DNS lookups: 1/10
~ 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

3 records
  • SPFv=spf1 include:emsd1.com ~all
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms56592644
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