heating-n-cooling.com

Valid Email Server
Domain Lookup › heating-n-cooling.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
heating-n-cooling.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 03:57:49 UTC · ↺ Refresh

MX Hostnames

  • heatingncooling-com01ic.mail.protection.outlook.com

MX Priorities

No priority data.

A / AAAA Records

  • 3.33.251.168
  • 15.197.225.128

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns46.domaincontrol.com
ns45.domaincontrol.com

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

✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

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

All TXT Records

3 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • NETORGFT1120025.onmicrosoft.com
  • SPFv=spf1 a mx ip4:64.50.144.0/20 ~all
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