Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
drmichaels.com.vn
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 02:25:25 UTC · ↺ Refresh
MX Hostnames
- smtp.umailsmtp.com
MX Priorities
- smtp.umailsmtp.com: 10
A / AAAA Records
- 103.28.36.200 ↩ wordpress-hosting08.nhanhoa.com
Mail Server IPs
- 45.117.176.181 ↩ smtp.umailsmtp.com
SOA Record
Raw SOA
ns1.matbao.vn admin.matbao.com 2024092606 7200 300 604800 3600
Primary NS (mname)
ns1.matbao.vn
Admin Email (rname)
admin@matbao.com
Serial
2024092606
Refresh
7200s
Retry
300s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.matbao.vn
ns1.matbao.vn
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 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- facebook-domain-verification=o10g3x6kgkuef067jlnezj9dz81wn8
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