cubx.com

Valid Email Server
Live data โ€” DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: โšก live Checker: โšก live
cubx.com
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-05-21 04:22:39 UTC ยท โ†บ Refresh

MX Hostnames

  • cubx-com.mail.protection.outlook.com

MX Priorities

No priority data.

A / AAAA Records

  • 104.26.12.85
  • 172.67.69.14
  • 104.26.13.85
  • 2606:4700:20::ac43:450e
  • 2606:4700:20::681a:c55
  • 2606:4700:20::681a:d55

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ruth.ns.cloudflare.com
wilson.ns.cloudflare.com

SPF Record

โœ“ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.google.com ip4:191.237.4.149 ip4:104.209.35.28 ip4:23.100.38.75 ip4:23.100.16.236 ip4:52.226.94.192/28 ip4:13.64.55.16/28 -all
๐Ÿ“Š DNS lookups: 2/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ“ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]
โ†ณ Subdomain policy: reject

DKIM Selectors

โœ“ 3 found
google._domainkey
selector1._domainkey
selector2._domainkey
โœ“ Public key: 392 chars (valid)
โœ“ DKIM properly configured for selector: google

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

All TXT Records

12 records
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.google.com ip4:191.237.4.149 ip4:104.209.35.28 ip4:23.100.38.75 ip4:23.100.16.236 ip4:52.226.94.192/28 ip4:13.64.55.16/28 -all
  • MS=ms39727979
  • apple-domain-verification=cSFAyq2po6lf3aQB
  • atlassian-domain-verification=37afOEXCjB7nYMqq/ujIZDEWS9sNIAqKdmE7uxoh15LGWvST88waLpVNYxxrsgah
  • cursor-domain-verification-8mp80a=OC0DI9tOP8aB9u7E7i5lc1SXq
  • facebook-domain-verification=wj0k3h3ushk285aasg93v2kj05uqb2
  • google-site-verification=6GeSp6k0Mj9NhjgSpZsxK3UPYzU1z58SafwEwsCt7Gs
  • mongodb-site-verification=1HlhQ62gvrS4JQxMhP4Gco32u3AEWTVT
  • openai-domain-verification=dv-gh175xP6s3Rw5FtNGaoCBG4o
  • pax8-verification=dad05fc7-6a01-3c13-ab4e-8ce63290a385
  • rippling-domain-verification=7f5e06421fcbb28e
  • uber-domain-verification=a63d8011-8073-4f3d-aba4-469b9ce49f6d
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