Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
esaheatac.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 06:35:18 UTC · ↺ Refresh
MX Hostnames
- esaheatac-com.mail.protection.outlook.com
MX Priorities
- esaheatac-com.mail.protection.outlook.com: 4
A / AAAA Records
- 34.224.10.110 ↩ ec2-34-224-10-110.compute-1.amazonaws.com
- 52.11.37.152 ↩ ec2-52-11-37-152.us-west-2.compute.amazonaws.com
Mail Server IPs
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.cscdns.net hostmaster.cscdns.net 2024082008 10000 2400 604800 3600
Primary NS (mname)
dns1.cscdns.net
Admin Email (rname)
hostmaster@cscdns.net
Serial
2024082008
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns2.cscdns.net
dns1.cscdns.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
5 records- MS=ms20129204
- ca3-12a9b60537264aa69c4285c72bb2b205
- SPFv=spf1 include:spf.protection.outlook.com -all
- google-site-verification=arRHd5YhT_1F9BQXpHUdlEBsZ6OTkpqQWw5st_zsHRs
- duo_sso_verification=aVitN3BChB6VgSLAy7asx9yE1fqtGIt1Mawkj3Ji5TpNbEfyp4p7vchoRr3gqAdV
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 esaheatac.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits