Domain Overview
DNS: ✓ 1d ago
Checker: ✓ 1d ago
itssa.com.mx
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-07-01 20:01:10 UTC · ↺ Refresh
MX Hostnames
- mail.itssa.com.mx
MX Priorities
- mail.itssa.com.mx: 1
A / AAAA Records
- 107.190.132.50 ↩ fast.servidor3.net
Mail Server IPs
- itssa.com.mx. (no PTR)
- 107.190.132.50 ↩ fast.servidor3.net
SOA Record
Raw SOA
ns1.servidor3.net mail.elenlace.com 2023121300 3600 1800 1209600 86400
Primary NS (mname)
ns1.servidor3.net
Admin Email (rname)
mail@elenlace.com
Serial
2023121300
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.servidor3.net
ns1.servidor3.net
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:107.190.132.50 +ip4:107.190.132.55 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 +a +mx +ip4:107.190.132.50 +ip4:107.190.132.55 ~all
- MS=A137870D003FA44D151BFD778A22DD1A12333ACB
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 itssa.com.mx
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits