rmkwindows.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-31 08:41:57 UTC · ↺ Refresh

MX Hostnames

  • rmkwindows-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 104.21.53.133 (no PTR)
  • 172.67.213.30 (no PTR)
  • 2606:4700:3032::6815:3585
  • 2606:4700:3030::ac43:d51e

Mail Server IPs

  • 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
  • 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
  • 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
  • 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com

SOA Record

Raw SOA joel.ns.cloudflare.com dns.cloudflare.com 2397302196 10000 2400 604800 1800
Primary NS (mname)
joel.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397302196
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

joel.ns.cloudflare.com
june.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx include:xcloud.email include:spf.protection.outlook.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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
  • apple-domain-verification=rNFVHMMTmTNOxtMK
  • google-site-verification=XeCcUPzn8w7kGYdYTH6f7kwptm3P9Ral0cnKVfno3f8
  • SPFv=spf1 a mx include:xcloud.email include:spf.protection.outlook.com ~all
Full email verification for rmkwindows.com

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

SPF / DKIM / DMARC Get 1,000 Free Credits