Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cnwsidingandwindows.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 07:11:54 UTC · ↺ Refresh
MX Hostnames
- mx2.emailsrvr.com
- mx1.emailsrvr.com
MX Priorities
- mx2.emailsrvr.com: 20
- mx1.emailsrvr.com: 10
A / AAAA Records
- 44.228.222.242 ↩ ec2-44-228-222-242.us-west-2.compute.amazonaws.com
Mail Server IPs
- 173.203.187.2 ↩ mx2.emailsrvr.com
- 184.106.54.1 ↩ mx1.emailsrvr.com
SOA Record
Raw SOA
ns20.digicertdns.com dns.digicertdns.com 2009010693 43200 3600 1209600 180
Primary NS (mname)
ns20.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009010693
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns5.speedy.bizharvest.com
ns2.speedy.bizharvest.com
ns1.speedy.bizharvest.com
ns0.speedy.bizharvest.com
ns3.speedy.bizharvest.com
ns4.speedy.bizharvest.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:emailsrvr.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
2 records- SPFv=spf1 include:emailsrvr.com ~all
- google-site-verification=MhcDOe-lY0R63syaC6YaZW4tMnKeKuwYNl6GFxzs_OU
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 cnwsidingandwindows.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits