Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
zchwantech.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 13:51:11 UTC · ↺ Refresh
MX Hostnames
- zchwantech-com.mail.protection.outlook.com
MX Priorities
- zchwantech-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.6.113 (no PTR)
- 172.67.134.194 (no PTR)
- 2606:4700:3035::6815:671 (no PTR)
- 2606:4700:3036::ac43:86c2 (no PTR)
Mail Server IPs
- 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
- 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
alina.ns.cloudflare.com dns.cloudflare.com 2400358736 10000 2400 604800 1800
Primary NS (mname)
alina.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400358736
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
alina.ns.cloudflare.com
benedict.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
3 records- google-site-verification=ozAdAAos3E-6vCbpx55UI4UF9zcQMaELYKECYIo8sDw
- SPFv=spf1 include:spf.protection.outlook.com -all
- apple-domain-verification=Tk24y1lPhAamBWWa
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 zchwantech.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits