Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dietavkrabicce.cz
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 00:35:51 UTC · ↺ Refresh
MX Hostnames
- mail1.savvy.cz
- mail2.savvy.cz
MX Priorities
- mail1.savvy.cz: 10
- mail2.savvy.cz: 20
A / AAAA Records
- 82.99.178.145 ↩ lumweb1.dietavkrabicce.cz
Mail Server IPs
- 193.19.176.172 ↩ mail1.savvy.cz
- 37.205.13.243 ↩ mail2.savvy.cz
- 2a03:3b40:fe:8b3::1 ↩ mail2.savvy.cz
SOA Record
Raw SOA
ns1.savvy.cz helpdesk.savvy.cz 2013056090 300 1800 1209600 300
Primary NS (mname)
ns1.savvy.cz
Admin Email (rname)
helpdesk@savvy.cz
Serial
2013056090
Refresh
300s
Retry
1800s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
ns1.savvy.cz
ns2.savvy.cz
SPF Record
✓ Strict (-all)
v=spf1 a mx include:_spf.savvy.cz include:spf.affilbox.cz -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict 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
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=LTaPz3YRWPgCbJflH-sCl5MkdHtPqTbLi2-x_z4tJx0
- SPFv=spf1 a mx include:_spf.savvy.cz include:spf.affilbox.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 dietavkrabicce.cz
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits