Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
visitpsionline.com
Yes
โ Yes
Unknown
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-03-14 22:33:12 UTC ยท โบ Refresh
MX Hostnames
- mail1.redtailtechnology.com
MX Priorities
- mail1.redtailtechnology.com: 10
A / AAAA Records
- 35.172.94.1 โฉ staticip.multiscreensite.com
Mail Server IPs
- 4.17.237.44 (no PTR)
SOA Record
Raw SOA
ns0.nameservices.net ns1.nameservices.net 2025042303 28800 7200 604800 86400
Primary NS (mname)
ns0.nameservices.net
Admin Email (rname)
ns1@nameservices.net
Serial
2025042303
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns1.nameservices.net
ns0.nameservices.net
SPF Record
โ Strict (-all)
v=spf1 include:spf.redtailtechnology.com include:mailgun.org -all
๐ DNS lookups: 2/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ MissingNo DMARC record โ emails cannot be rejected on auth failure.
DKIM Selectors
โ None detectedNo DKIM records found for common selectors โ 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 include:spf.redtailtechnology.com include:mailgun.org -all
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for visitpsionline.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits