Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
stercomm.com
No
None
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 23:12:16 UTC · ↺ Refresh
MX Hostnames
No MX records found.
MX Priorities
No priority data.
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
dns1.stercomm.com cnhosys.us.ibm.com 2025102100 10800 3600 604800 900
Primary NS (mname)
dns1.stercomm.com
Admin Email (rname)
cnhosys@us.ibm.com
Serial
2025102100
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
900s
Nameservers (NS)
dns1.stercomm.com
ns1.stercomm.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:209.95.244.153 ip4:209.95.244.35 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict 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
2 records- _uw1uftkac62zow10sou9bs3jdpag4zj
- SPFv=spf1 ip4:209.95.244.153 ip4:209.95.244.35 -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 · Customize →
See demo & docs
Deep verification
Full email verification for stercomm.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits