Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
cubexsystem.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 05:09:15 UTC · ↺ Refresh
MX Hostnames
- mx-01-us-east-2.prod.hydra.sophos.com
- zimbisrelay.cubexsystem.com
- mx-02-us-east-2.prod.hydra.sophos.com
MX Priorities
No priority data.
A / AAAA Records
- 23.239.27.84
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns50.domaincontrol.com
ns49.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:_spf.prod.hydra.sophos.com include:_spf.salesforce.com include:2618684.spf10.hubspotemail.net include:spf.US.exclaimer.net ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=0; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400; sp=reject
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
6 records- rippling-domain-verification=047c570e7bd95b12
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.prod.hydra.sophos.com include:_spf.salesforce.com include:2618684.spf10.hubspotemail.net include:spf.US.exclaimer.net ~all
- sophos-domain-verification=cde78a20df64be3fe5850042bcc1ebc82eec126c
- 00Dcc000004FijC=1TBcc0000000JnR
- 00D80000000ZHnN=1TBUY0000000Aqb
- D2876434
Full email verification for cubexsystem.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits