Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ternium.com.mx
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 18:17:03 UTC · ↺ Refresh
MX Hostnames
- d102089a.ess.barracudanetworks.com
- d102089b.ess.barracudanetworks.com
MX Priorities
- d102089b.ess.barracudanetworks.com: 5
- d102089a.ess.barracudanetworks.com: 5
A / AAAA Records
- 40.70.147.3 (no PTR)
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
dns1.ternium.com.mx dnsadminsternium.ternium.com 2026012903 14400 3600 2419200 1800
Primary NS (mname)
dns1.ternium.com.mx
Admin Email (rname)
dnsadminsternium@ternium.com
Serial
2026012903
Refresh
14400s
Retry
3600s
Expire
2419200s
Minimum TTL
1800s
Nameservers (NS)
dns2.ternium.com.mx
dns3.ternium.com.mx
dns4.ternium.com.mx
dns1.ternium.com.mx
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:192.100.208.213 ip4:192.100.208.214 ip4:192.100.208.239 ip4:192.100.208.211 ip4:192.100.208.137 ip4:192.100.208.138 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; aspf=s; adkim=s; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx ip4:192.100.208.213 ip4:192.100.208.214 ip4:192.100.208.239 ip4:192.100.208.211 ip4:192.100.208.137 ip4:192.100.208.138 include:spf.protection.outlook.com -all
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