redlionheating.com

Valid Email Server
Domain Lookup › redlionheating.com

Domain Overview

DNS: ✓ 2d ago Checker: ✓ 2d ago
redlionheating.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-19 13:51:24 UTC · ↺ Refresh

MX Hostnames

  • redlionheating-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 216.239.38.21 ↩ any-in-2615.1e100.net
  • 216.239.32.21 ↩ any-in-2015.1e100.net
  • 216.239.34.21
  • 216.239.36.21
  • 2001:4860:4802:32::15
  • 2001:4860:4802:34::15
  • 2001:4860:4802:38::15
  • 2001:4860:4802:36::15

Mail Server IPs

  • 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
  • 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
  • 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
  • 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA pdns13.domaincontrol.com dns.jomax.net 2023122800 28800 7200 604800 600
Primary NS (mname)
pdns13.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2023122800
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

pdns13.domaincontrol.com
pdns14.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:secureserver.net -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

✗ 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

3 records
  • SPFv=spf1 include:secureserver.net -all
  • google-site-verification=gnzW00Qe-S_NDu-j2AaJrGhy17EUCmgyOxGXo4CwxQQ
  • NETORGFT15103461.onmicrosoft.com
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 redlionheating.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits