Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
alsondosholding.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 08:06:07 UTC · ↺ Refresh
MX Hostnames
- alsondosholding.com
MX Priorities
- alsondosholding.com: 0
A / AAAA Records
- 188.40.48.184 ↩ mail.alsondosholding.com
Mail Server IPs
- 188.40.48.184 ↩ mail.alsondosholding.com
SOA Record
Raw SOA
de1.gulfoffice.com s.qahramonbek.gmail.com 2024091102 86400 7200 3600000 86400
Primary NS (mname)
de1.gulfoffice.com
Admin Email (rname)
s@qahramonbek.gmail.com
Serial
2024091102
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
de1.gulfoffice.com
de2.gulfoffice.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:188.40.48.184 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=wxdXNv8IjS-xNoC92L_75axDM2GWL4MnoMMODB1OCGA
- SPFv=spf1 +a +mx +ip4:188.40.48.184 ~all
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 alsondosholding.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits