heatmasterss.com

Valid Email Server
Domain Lookup › heatmasterss.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
heatmasterss.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 15:08:24 UTC · ↺ Refresh

MX Hostnames

  • heatmasterss-com.mail.protection.outlook.com

MX Priorities

  • heatmasterss-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 104.26.10.243 (no PTR)
  • 104.26.11.243 (no PTR)
  • 172.67.73.240
  • 2606:4700:20::681a:bf3
  • 2606:4700:20::ac43:49f0
  • 2606:4700:20::681a:af3

Mail Server IPs

  • 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
  • 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
  • 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
  • 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
  • 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
  • 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA kayleigh.ns.cloudflare.com dns.cloudflare.com 2399962354 10000 2400 604800 1800
Primary NS (mname)
kayleigh.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399962354
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ricardo.ns.cloudflare.com
kayleigh.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ip4:199.246.24.108/32 ip4:208.88.5.52/32 include:transmail.net include:zcsend.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]

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

5 records
  • google-site-verification=BwQki59KDAEjxD5XLjONLAQU_HVYaYbM2mX1HfmhzLc
  • google-site-verification=z1_n1TxxisxcCGhMdi1zLy7Mad9-K-_zh_4GoRbTZos
  • SPFv=spf1 include:spf.protection.outlook.com ip4:199.246.24.108/32 ip4:208.88.5.52/32 include:transmail.net include:zcsend.net ~all
  • MS=ms23476852
  • apple-domain-verification=mRoKc3nw6nV7wK9W
Full email verification for heatmasterss.com

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

SPF / DKIM / DMARC Get 1,000 Free Credits