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
✗ MissingNo 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