Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rminventor.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 11:49:57 UTC · ↺ Refresh
MX Hostnames
- sm10.internetmailserver.net
MX Priorities
- sm10.internetmailserver.net: 10
A / AAAA Records
- 96.31.33.63 ↩ web812.discountasp.net
Mail Server IPs
- 64.79.170.140 ↩ sm10.internetmailserver.net
SOA Record
Raw SOA
ns1.discountasp.net hostmaster.discountasp.net 1775130412 16384 2048 1048576 2560
Primary NS (mname)
ns1.discountasp.net
Admin Email (rname)
hostmaster@discountasp.net
Serial
1775130412
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
ns1.discountasp.net
ns3.discountasp.net
ns2.discountasp.net
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
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
No TXT records found.
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 rminventor.org
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits