Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mcdh.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 05:51:28 UTC · ↺ Refresh
MX Hostnames
- mcdh-org.mail.protection.outlook.com
MX Priorities
- mcdh-org.mail.protection.outlook.com: 10
A / AAAA Records
- 127.0.0.1 ↩ localhost
Mail Server IPs
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.mcn.org hostmaster.mcn.org 2024070801 3600 1800 604800 600
Primary NS (mname)
dns1.mcn.org
Admin Email (rname)
hostmaster@mcn.org
Serial
2024070801
Refresh
3600s
Retry
1800s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
dns2.mcn.org
dns1.mcn.org
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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:spf.protection.outlook.com -all
- 8cfy0my5xk6t2gwp69tdjlj14fm2x037
- k1s8gd66l4fksn2ys4sy2sl6bx4fk867
- MS=ms34894411
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