Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kaztronix.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 22:28:23 UTC · ↺ Refresh
MX Hostnames
- kaztronix-com.mail.protection.outlook.com
MX Priorities
- kaztronix-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.18.211.89 (no PTR)
Mail Server IPs
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns4.pointclick.net hostmaster.kaztronix.com 2021033101 10800 3600 604800 3600
Primary NS (mname)
ns4.pointclick.net
Admin Email (rname)
hostmaster@kaztronix.com
Serial
2021033101
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.pointclick.net
ns2.pointclick.net
ns3.pointclick.net
ns4.pointclick.net
ns5.pointclick.net
ns-1327.awsdns-37.org
ns-1685.awsdns-18.co.uk
ns-335.awsdns-41.com
ns-578.awsdns-08.net
SPF Record
✓ Strict (-all)
v=spf1 include:sendgrid.net include:spf.protection.outlook.com include:spf.jobdiva.com include:_spf.bullhornmail.com a:o1.email.bullhorn.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
2 records- SPFv=spf1 include:sendgrid.net include:spf.protection.outlook.com include:spf.jobdiva.com include:_spf.bullhornmail.com a:o1.email.bullhorn.com -all
- MS=ms36687977
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 kaztronix.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits