Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
enterpriseholdings.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 04:49:03 UTC · ↺ Refresh
MX Hostnames
- enterpriseholdings-com.mail.protection.outlook.com
MX Priorities
- enterpriseholdings-com.mail.protection.outlook.com: 0
A / AAAA Records
- 148.78.93.66 ↩ redirects.ehi.com
- 2620:103:e002:226::42 ↩ redirects.ehi.com
Mail Server IPs
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.enterprise.com dnsadmin.enterprise.com 2026031301 3600 1800 2592000 14400
Primary NS (mname)
ns1.enterprise.com
Admin Email (rname)
dnsadmin@enterprise.com
Serial
2026031301
Refresh
3600s
Retry
1800s
Expire
2592000s
Minimum TTL
14400s
Nameservers (NS)
ns1.enterprise.com
ns4.enterprise.com
ns3.enterprise.com
ns2.enterprise.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
7 records- docusign=82d9e29d-2f7f-4853-9118-a237d5995a9f
- google-site-verification=eSmzSeQmRXKDop8lonxr HWuzcyGDTun4futKuQOvAw
- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms51405882
- tmes=1f012afbca7bd1040287d9b62b758d2b
- b0fD8E93xkcPd111MFbyFtF8ofPl1c0f00j2RbAIHJvDKIPflOjT47EENNo5Kby9OIT8bEauxtg4NtsNmW2Kog==
- facebook-domain-verification=eimiltiicfh4cy05j3klhk2qgvgtp5
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for enterpriseholdings.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits