Domain Overview
DNS: ✓ 7d ago
Checker: ✓ 7d ago
tilak.cz
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-08-24 12:08:33 UTC · ↺ Refresh
MX Hostnames
- 15mx.zoner.com
- 10mx.zoner.com
- relay.zoner.com
MX Priorities
- 15mx.zoner.com: 15
- relay.zoner.com: 1
- 10mx.zoner.com: 10
A / AAAA Records
- 62.109.150.252 ↩ vps1015.webglobe.com
Mail Server IPs
- 81.0.233.6 ↩ 15mx.zoner.com
- 217.198.120.100 ↩ relay.zoner.com
- 217.198.120.36 ↩ 10mx.zoner.com
SOA Record
Raw SOA
ns.gransy.com root.gransy.com 2783511911 86400 900 1209600 1800
Primary NS (mname)
ns.gransy.com
Admin Email (rname)
root@gransy.com
Serial
2783511911
Refresh
86400s
Retry
900s
Expire
1209600s
Minimum TTL
1800s
Nameservers (NS)
ns4.gransy.com
ns2.gransy.com
ns.gransy.com
ns3.gransy.com
ns5.gransy.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a include:spf-zoner-zmail.zoner.com include:_spf.onebit.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; ri=86400;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
1 record- SPFv=spf1 a include:spf-zoner-zmail.zoner.com include:_spf.onebit.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 · Customize →
See demo & docs
Deep verification
Full email verification for tilak.cz
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits