rhombusgc.com

Valid Email Server
Domain Lookup › rhombusgc.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
rhombusgc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-23 00:48:40 UTC · ↺ Refresh

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MX Hostnames

  • rhombusgc-com.mail.protection.outlook.com

MX Priorities

  • rhombusgc-com.mail.protection.outlook.com: 1

A / AAAA Records

  • 198.202.211.1 (no PTR)

Mail Server IPs

  • 52.101.185.24 ↩ mail-zrxpr07cu00100.inbound.protection.outlook.com
  • 52.101.73.126 ↩ mail-am8pr83cu00106.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.185.21 ↩ mail-zrxpr05cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::8 ↩ mail-miypr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c967::8 ↩ mail-cpjpr04cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA dns29.servidoresdns.net hostmaster.servidoresdns.net 2014100200 21600 3600 2419200 300
Primary NS (mname)
dns29.servidoresdns.net
Admin Email (rname)
hostmaster@servidoresdns.net
Serial
2014100200
Refresh
21600s
Retry
3600s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

dns30.servidoresdns.net
dns29.servidoresdns.net

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

3 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms17315619
  • one-time-verification=221cd84b-d099-4988-999e-bdad0d3973af
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