Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zimnycpa.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 14:43:36 UTC · ↺ Refresh
MX Hostnames
- d127172b.ess.barracudanetworks.com
- d127172a.ess.barracudanetworks.com
MX Priorities
- d127172a.ess.barracudanetworks.com: 10
- d127172b.ess.barracudanetworks.com: 20
A / AAAA Records
- 104.209.178.191 (no PTR)
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
dns1.easydns.com zone.easydns.com 1769440666 21600 7200 604800 300
Primary NS (mname)
dns1.easydns.com
Admin Email (rname)
zone@easydns.com
Serial
1769440666
Refresh
21600s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
dns1.easydns.com
dns2.easydns.net
dns3.easydns.ca
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
3 records- n8lklgu21460d288sol47fjfsi
- MS=ms94649786
- SPFv=spf1 include:spf.protection.outlook.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 zimnycpa.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits