Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kasznarleonardos.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 11:29:57 UTC · ↺ Refresh
MX Hostnames
- mail3.kasznarleonardos.com
MX Priorities
- mail3.kasznarleonardos.com: 5
A / AAAA Records
- 147.93.64.128 (no PTR)
Mail Server IPs
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
pns31.cloudns.net support.cloudns.net 2026021408 7200 1800 1209600 3600
Primary NS (mname)
pns31.cloudns.net
Admin Email (rname)
support@cloudns.net
Serial
2026021408
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
pns32.cloudns.net
pns31.cloudns.net
pns34.cloudns.net
pns33.cloudns.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:187.72.70.199/32 ip4:200.196.53.167/32 ip4:191.232.235.2 ip4:200.196.53.163 ip4:187.72.70.195 ip4:187.16.71.147 include:spf.protection.outlook.com include:spf-us.emailsignatures365.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
8 records- google-site-verification=js4EWfVBFPeA7j8Nl4ZVMWWZcVFT80QSu6zMoivf_kU
- 25ybckb4l8ly1lb2s5f0lznzg4pwk3yv
- google-gws-recovery-domain-verification=50484510
- google-site-verification=iUq1Xge2xxCWRBbPPtiXnbolOI_xp0pMtX0za9wz84g
- 1q9jc1xtl2m1grffgq8kvcn02lw1dfng
- SALOkUN8hj7mU98K1p6+9zZHBU5bFpWgkCVGdSxey5hxr8fJoDzVtEZqfG0WGanf45rwCy2gKWGSqXJFHSUi2A==
- SPFv=spf1 ip4:187.72.70.199/32 ip4:200.196.53.167/32 ip4:191.232.235.2 ip4:200.196.53.163 ip4:187.72.70.195 ip4:187.16.71.147 include:spf.protection.outlook.com include:spf-us.emailsignatures365.com -all
- bw=VfV1+2PPZ3vYqRCONPwLQEyvH2CzXAeu1ktKSYRCdvdO
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 kasznarleonardos.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits