Domain Overview
DNS: ✓ 20d ago
Checker: ✓ 20d ago
xdgt-tth.com.vn
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-10-19 17:26:27 UTC · ↺ Refresh
MX Hostnames
- mx.vnptemail.vn
MX Priorities
- mx.vnptemail.vn: 10
A / AAAA Records
- 103.221.220.194 (no PTR)
Mail Server IPs
- 14.225.84.138 ↩ gwmx2.vnptemail.vn
SOA Record
Raw SOA
ns1.vdc3.vn vdconline.tld 2024091311 10800 3600 604800 38400
Primary NS (mname)
ns1.vdc3.vn
Admin Email (rname)
vdconline@tld
Serial
2024091311
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
38400s
Nameservers (NS)
ns1.vdc3.vn
ns2.vdc3.vn
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:spf.vnptemail.vn ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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- SPFv=spf1 a mx include:spf.vnptemail.vn ~all
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