gmch.com

Valid Email Server
Domain Lookup › gmch.com

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
gmch.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 11:21:35 UTC · ↺ Refresh

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MX Hostnames

  • gmch-com.mail.protection.outlook.com

MX Priorities

  • gmch-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 165.160.15.20 (no PTR)
  • 165.160.13.20 (no PTR)

Mail Server IPs

  • 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
  • 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA dns1.cscdns.net hostmaster.cscdns.net 2011123024 28800 7200 604800 600
Primary NS (mname)
dns1.cscdns.net
Admin Email (rname)
hostmaster@cscdns.net
Serial
2011123024
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

dns2.cscdns.net
dns1.cscdns.net

SPF Record

✓ Soft Fail (~all)
v=spf1 mx include:_spf-a.gm.com include:_spf-b.gm.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;fo=1;ri=3600;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 mx include:_spf-a.gm.com include:_spf-b.gm.com include:spf.protection.outlook.com ~all
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