markdaltoncompany.com

Valid Email Server
Domain Lookup › markdaltoncompany.com

Domain Overview

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

Checked via [email protected] · 2026-03-19 07:51:33 UTC · ↺ Refresh

MX Hostnames

  • markdaltoncompany-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 104.197.111.156 ↩ 156.111.197.104.bc.googleusercontent.com

Mail Server IPs

  • 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
  • 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
  • 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
  • 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com

SOA Record

Raw SOA ns47.domaincontrol.com dns.jomax.net 2021101001 28800 7200 604800 600
Primary NS (mname)
ns47.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2021101001
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns47.domaincontrol.com
ns48.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

2 records
  • SPFv=spf1 include:secureserver.net -all
  • NETORGFT9397374.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 markdaltoncompany.com

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

No credit card required
Get 1,000 Free Credits