zen3.com

Valid Email Server
Domain Lookup › zen3.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
zen3.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-22 03:49:25 UTC · ↺ Refresh

MX Hostnames

  • zen3-com.mail.protection.outlook.com

MX Priorities

  • zen3-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 3.253.205.52 ↩ ec2-3-253-205-52.eu-west-1.compute.amazonaws.com
  • 54.171.156.58 ↩ ec2-54-171-156-58.eu-west-1.compute.amazonaws.com

Mail Server IPs

  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1716.awsdns-22.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1716.awsdns-22.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1716.awsdns-22.co.uk
ns-453.awsdns-56.com
ns-562.awsdns-06.net
ns-1256.awsdns-29.org

SPF Record

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

3 records
  • MS=ms17510579
  • k6nogr6jifcdk7re8pf00ul7f4
  • SPFv=spf1 include:spf.protection.outlook.com -all
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