Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
omail.edu.pl
Disposable
✓ Yes
Unknown
⚠ Yes
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 02:03:09 UTC · ↺ Refresh
MX Hostnames
- _dc-mx.ecf43c067ef9.omail.edu.pl
MX Priorities
- _dc-mx.ecf43c067ef9.omail.edu.pl: 10
A / AAAA Records
- 172.67.203.124 (no PTR)
- 104.21.22.84 (no PTR)
- 2606:4700:130:436c:6f75:6466:6c61:7265 (no PTR)
Mail Server IPs
- 66.70.179.165 ↩ radiocanada.serverdainus.net
SOA Record
Raw SOA
bethany.ns.cloudflare.com dns.cloudflare.com 2398700095 10000 2400 604800 1800
Primary NS (mname)
bethany.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398700095
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
phil.ns.cloudflare.com
bethany.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none; adkim=s; aspf=s; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx -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 omail.edu.pl
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits