Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sti.net
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-17 22:25:27 UTC · ↺ Refresh
MX Hostnames
- magicmail.sti.net
- magicmail2.sti.net
MX Priorities
- magicmail2.sti.net: 15
- magicmail.sti.net: 10
A / AAAA Records
- 13.93.210.226 (no PTR)
Mail Server IPs
- 64.118.96.12 ↩ webmail.sti.net
- 64.118.96.11 ↩ autoconfig.sti.net
SOA Record
Raw SOA
dns1.sierratel.com noc.sti.net 2163 3600 600 2592000 600
Primary NS (mname)
dns1.sierratel.com
Admin Email (rname)
noc@sti.net
Serial
2163
Refresh
3600s
Retry
600s
Expire
2592000s
Minimum TTL
600s
Nameservers (NS)
dns1.sierratel.com
dns2.sierratel.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:64.118.96.11 ip4:64.118.96.12 ip4:64.118.96.13 ip4:64.118.99.197 ip4:64.118.96.178 ~all
📊 DNS lookups: 0/10
~ 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
3 records- SPFv=spf1 ip4:64.118.96.11 ip4:64.118.96.12 ip4:64.118.96.13 ip4:64.118.99.197 ip4:64.118.96.178 ~all
- _we9u48pgaj6wb7srb282p0433dvzt2f
- _uufv0yermi76ju27f09p3xxdld0ekin
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 sti.net
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits