Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
zukmosina.pl
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 17:22:34 UTC · ↺ Refresh
MX Hostnames
- zukmosina-pl.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 77.55.137.2
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns3.nazwa.pl
ns1.nazwa.pl
ns2.nazwa.pl
SPF Record
✓ Soft Fail (~all)
v=spf1 a include:spf.protection.outlook.com a:server654882.nazwa.pl mx:zukmosina-pl.mail.protection.outlook.com ip4:77.55.137.2 ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=r; aspf=r; fo=1; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
2 records- MS=ms38133692
- SPFv=spf1 a include:spf.protection.outlook.com a:server654882.nazwa.pl mx:zukmosina-pl.mail.protection.outlook.com ip4:77.55.137.2 ~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 zukmosina.pl
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits