Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
iusa.com.mx
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 01:36:40 UTC · ↺ Refresh
MX Hostnames
- mx2.iusa.com.mx
- mx3.iusa.com.mx
- mx1.iusa.com.mx
- mx4.iusa.com.mx
MX Priorities
- mx4.iusa.com.mx: 10
- mx1.iusa.com.mx: 10
- mx2.iusa.com.mx: 10
- mx3.iusa.com.mx: 10
A / AAAA Records
- 200.79.162.84 (no PTR)
Mail Server IPs
- 200.79.162.74 ↩ mx4.iusa.com.mx
- 200.79.162.71 ↩ mx1.iusa.com.mx
- 200.79.162.72 ↩ mx2.iusa.com.mx
- 200.79.162.73 ↩ mx3.iusa.com.mx
SOA Record
Raw SOA
ns1.iusa.com.mx root.iusa.com.mx 2026031810 3600 120 1209600 3600
Primary NS (mname)
ns1.iusa.com.mx
Admin Email (rname)
root@iusa.com.mx
Serial
2026031810
Refresh
3600s
Retry
120s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns2.iusa.com.mx
ns1.iusa.com.mx
SPF Record
✓ Strict (-all)
v=spf1 ip4:200.79.162.71 ip4:200.79.162.72 ip4:200.79.162.73 ip4:200.79.162.74 a:mx1.iusa.com.mx a:mx2.iusa.com.mx a:mx3.iusa.com.mx a:mx4.iusa.com.mx -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 ip4:200.79.162.71 ip4:200.79.162.72 ip4:200.79.162.73 ip4:200.79.162.74 a:mx1.iusa.com.mx a:mx2.iusa.com.mx a:mx3.iusa.com.mx a:mx4.iusa.com.mx -all
- MS=ms58735405
- google-site-verification=TGi-UL3BWO6mvdCoYUGtuR2UkJuM1PqVD3flP2XFs-I
Full email verification for iusa.com.mx
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