restarthubnuti.cz

Valid Email Server
Domain Lookup › restarthubnuti.cz

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
restarthubnuti.cz
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-17 21:12:53 UTC · ↺ Refresh

MX Hostnames

  • 7047723e1ec05d57.mx1.emailprofi.seznam.cz
  • 7047723e1ec05d57.mx2.emailprofi.seznam.cz

MX Priorities

  • 7047723e1ec05d57.mx2.emailprofi.seznam.cz: 20
  • 7047723e1ec05d57.mx1.emailprofi.seznam.cz: 10

A / AAAA Records

  • 104.26.7.173 (no PTR)
  • 104.26.6.173 (no PTR)
  • 172.67.69.29 (no PTR)
  • 2606:4700:20::ac43:451d (no PTR)
  • 2606:4700:20::681a:7ad (no PTR)
  • 2606:4700:20::681a:6ad (no PTR)

Mail Server IPs

  • 77.75.77.146 ↩ wildcard.mx2.emailprofi.seznam.cz
  • 2a02:598:2::1146 ↩ wildcard.mx2.emailprofi.seznam.cz
  • 77.75.77.56 ↩ wildcard.mx1.emailprofi.seznam.cz
  • 2a02:598:2::1056 ↩ wildcard.mx1.emailprofi.seznam.cz

SOA Record

Raw SOA gordon.ns.cloudflare.com dns.cloudflare.com 2398361200 10000 2400 604800 1800
Primary NS (mname)
gordon.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398361200
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

nina.ns.cloudflare.com
gordon.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a include:spf.mioweb.cz include:spf.smartemailing.cz ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No 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

5 records
  • facebook-domain-verification=g3vi24xvk77x3ciz2roj9scbqh52si
  • google-site-verification=u2aJGyWU3KSmsekKTxB2G6EVTjcQf2boJQMsa_fp9r8
  • openai-domain-verification=dv-QMjkS29QnUwhjHEKAgTxakVc
  • pinterest-site-verification=8bf79322bc6a11e04af3d13bdd84463a
  • SPFv=spf1 a include:spf.mioweb.cz include:spf.smartemailing.cz ~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 restarthubnuti.cz

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits