gumbrand.com

Valid Email Server
Domain Lookup › gumbrand.com

Domain Overview

DNS: ✓ 2h ago Checker: ✓ 2h ago
gumbrand.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-01 12:49:05 UTC · ↺ Refresh

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MX Hostnames

  • gumbrand-com.mail.protection.outlook.com

MX Priorities

  • gumbrand-com.mail.protection.outlook.com: 19

A / AAAA Records

  • 155.133.142.6 ↩ webacc4.sd6.ghst.net

Mail Server IPs

  • 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
  • 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
  • 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
  • 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
  • 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com

SOA Record

Raw SOA etta.ns.cloudflare.com dns.cloudflare.com 2407228894 10000 2400 604800 1800
Primary NS (mname)
etta.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2407228894
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

etta.ns.cloudflare.com
rex.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -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
  • @=f9b83cd3685661aadd7b8b6373212b46
  • SPFv=spf1 include:spf.protection.outlook.com -all
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