mdrusa.com

Valid Email Server
Domain Lookup › mdrusa.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
mdrusa.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 10:04:17 UTC · ↺ Refresh

MX Hostnames

  • mdrusa-com.mx2.arsmtp.com
  • mdrusa-com.mx1.arsmtp.com

MX Priorities

  • mdrusa-com.mx1.arsmtp.com: 10
  • mdrusa-com.mx2.arsmtp.com: 20

A / AAAA Records

  • 192.124.249.156 ↩ cloudproxy10156.sucuri.net

Mail Server IPs

  • 8.31.233.194 ↩ encrypt206.appriver.com
  • 8.19.118.124 ↩ encrypt207.appriver.com

SOA Record

Raw SOA joyce.ns.cloudflare.com dns.cloudflare.com 2399869197 10000 2400 604800 1800
Primary NS (mname)
joyce.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399869197
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

joyce.ns.cloudflare.com
tim.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:edgepilot.com include:spf.protection.outlook.com include:sendgrid.net include:mdrusa-com.spf.smtp25.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → 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

4 records
  • SPFv=spf1 include:edgepilot.com include:spf.protection.outlook.com include:sendgrid.net include:mdrusa-com.spf.smtp25.com -all
  • 7YS7q8N+t0u0pCJjSNKeEA==
  • LVBHAIUZOYKJ28LYQASPZMUN4NPOWAFF7PPVWWHC
  • ca3-483c98b1f2fc4c23a17ca6093d91d4a5
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