kaertech.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-20 11:39:46 UTC · ↺ Refresh

MX Hostnames

  • kaertech-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 18.138.32.49 ↩ ec2-18-138-32-49.ap-southeast-1.compute.amazonaws.com
  • 54.251.60.8 ↩ ec2-54-251-60-8.ap-southeast-1.compute.amazonaws.com

Mail Server IPs

  • 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
  • 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
  • 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1583.awsdns-05.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1583.awsdns-05.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-564.awsdns-06.net
ns-1072.awsdns-06.org
ns-1583.awsdns-05.co.uk
ns-502.awsdns-62.com

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; pct=100; sp=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • autodesk-domain-verification=NeP8BrCMH56IccBoig_e
Full email verification for kaertech.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits