Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
toshiba.com.mx
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 16:05:50 UTC · ↺ Refresh
MX Hostnames
- mx1.toshiba.com.mx
- mx2.toshiba.com.mx
- mail.toshiba.com.mx
- mx3.toshiba.com.mx
- mx1.toshiba.com.mx
MX Priorities
- mx1.toshiba.com.mx: 10
- mx2.toshiba.com.mx: 20
- mx1.toshiba.com.mx: 20
- mx3.toshiba.com.mx: 30
- mail.toshiba.com.mx: 10
A / AAAA Records
- 200.52.65.72 ↩ service-static-52.65.72.mcm-telecom.com.mx
Mail Server IPs
- 200.52.65.71 ↩ mx1.toshiba.com.mx
- 200.52.65.82 ↩ mx2.toshiba.com.mx
- 200.52.65.92 ↩ mx3.toshiba.com.mx
- 200.52.65.80 ↩ service-static-52.65.80.mcm-telecom.com.mx
SOA Record
Raw SOA
dns.mcmtelecom.com.mx datos.mcmtelecom.com.mx 2024052901 3600 600 604800 86400
Primary NS (mname)
dns.mcmtelecom.com.mx
Admin Email (rname)
datos@mcmtelecom.com.mx
Serial
2024052901
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dns2.mcm.net.mx
dns.mcmtelecom.com.mx
SPF Record
✓ Strict (-all)
v=spf1 mx a -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=none;adkim=s;aspf=s;pct=20;fo=0;rf=afrf;ri=86400;rua=mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
⚠ Policy applies to 20% of failing messages only
DKIM Selectors
✓ 1 found
selector1._domainkey
✓ Public key: 392 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
2 records- SPFv=spf1 mx a -all
- MS=AEA69A4777AF3E37A82382F568D8C9178CAF1839
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