Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
delcowindows.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 18:53:23 UTC · ↺ Refresh
MX Hostnames
- mail.delcowindows.com
MX Priorities
- mail.delcowindows.com: 0
A / AAAA Records
- 50.28.66.87 ↩ ns3.xi-digital.com
Mail Server IPs
- 50.28.66.87 ↩ ns3.xi-digital.com
SOA Record
Raw SOA
ns.delcowindows.com delcowindows.a-sector.com 1683669787 10800 3600 604800 10800
Primary NS (mname)
ns.delcowindows.com
Admin Email (rname)
delcowindows@a-sector.com
Serial
1683669787
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns.delcowindows.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx a:ns3.xi-digital.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✗ None detectedNo 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
1 record- SPFv=spf1 a mx a:ns3.xi-digital.com ~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 delcowindows.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits