Domain Overview
DNS: ✓ 4d ago
Checker: ✓ 4d ago
tintucviet.net
Disposable
✓ Yes
Unknown
⚠ Yes
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-08-26 04:08:04 UTC · ↺ Refresh
MX Hostnames
- tintucviet.net
MX Priorities
- tintucviet.net: 10
A / AAAA Records
- 185.107.44.232 ↩ tintucviet.net
Mail Server IPs
- 185.107.44.232 ↩ tintucviet.net
SOA Record
Raw SOA
ns1.dyna-ns.net hostmaster.tintucviet.net 2026081302 16384 2048 1209600 300
Primary NS (mname)
ns1.dyna-ns.net
Admin Email (rname)
hostmaster@tintucviet.net
Serial
2026081302
Refresh
16384s
Retry
2048s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
ns2.dyna-ns.net
ns1.dyna-ns.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:185.107.44.232 include:_spf.google.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
selector1._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 ip4:185.107.44.232 include:_spf.google.com -all
- google-site-verification=a26y_fan3J4lSWADg6eCX4M8rIZGYeScsz0kFcqE47w
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 · Customize →
See demo & docs
Deep verification
Full email verification for tintucviet.net
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits