Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
polarstargroup.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 11:55:51 UTC · ↺ Refresh
MX Hostnames
- emx.mail.ru
MX Priorities
- emx.mail.ru: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 217.69.139.180 ↩ emx.mail.ru
- 94.100.180.180 ↩ emx.mail.ru
SOA Record
Raw SOA
ns1.reg.ru hostmaster.ns1.reg.ru 1747379238 14400 3600 604800 10800
Primary NS (mname)
ns1.reg.ru
Admin Email (rname)
hostmaster@ns1.reg.ru
Serial
1747379238
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns1.reg.ru
ns2.reg.ru
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=_spf.mail.ru
📊 DNS lookups: 1/10
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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 redirect=_spf.mail.ru
- zoho-verification=zb52220810.zmverify.zoho.com
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 polarstargroup.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits