ie-systems.net

Valid Email Server
Domain Lookup › ie-systems.net

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ie-systems.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 21:51:09 UTC · ↺ Refresh

MX Hostnames

  • iesystems-net0e.mail.protection.outlook.com

MX Priorities

  • iesystems-net0e.mail.protection.outlook.com: 10

A / AAAA Records

  • 141.8.225.75 (no PTR)
  • 162.159.134.42 (no PTR)

Mail Server IPs

  • 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
  • 52.101.9.17 (no PTR)
  • 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
  • 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA dns101.register.com root.register.com 125022714 10800 3600 604800 3600
Primary NS (mname)
dns101.register.com
Admin Email (rname)
root@register.com
Serial
125022714
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns102.register.com
dns101.register.com

SPF Record

✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com ip4:45.59.197.90 ip4:162.241.226.76 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict 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

4 records
  • TwEPJY3JIcqFIm25F5xzUq+b6RgpZZFHqNtzSobU7PifOPM4QyN89ZxXsTVxz7381AquE/LsM85WrIWyEkudsQ==
  • MS=ms26561527
  • SPFv=spf1 a mx include:spf.protection.outlook.com ip4:45.59.197.90 ip4:162.241.226.76 -all
  • ca3-a5730012a47649d3aa68983f8d49dd7b
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for ie-systems.net

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits