Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
o2stk.org
Disposable
✓ Yes
Unknown
⚠ Yes
Yes
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 02:27:25 UTC · ↺ Refresh
MX Hostnames
- mail.o2stk.org
MX Priorities
- mail.o2stk.org: 10
A / AAAA Records
- 66.205.6.86 (no PTR)
Mail Server IPs
- 66.205.6.86 (no PTR)
SOA Record
Raw SOA
ns1.hover.com dnsmaster.hover.com 1751557361 1800 900 604800 300
Primary NS (mname)
ns1.hover.com
Admin Email (rname)
dnsmaster@hover.com
Serial
1751557361
Refresh
1800s
Retry
900s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns2.hover.com
ns1.hover.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a ?all
📊 DNS lookups: 2/10
? Neutral (?all) — no enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx a ?all
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 o2stk.org
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits