Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
itcmt.com.mx
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 12:42:17 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 10
- us-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 20.47.107.14 (no PTR)
Mail Server IPs
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns1.he.net hostmaster.he.net 2024101701 10800 1800 604800 86400
Primary NS (mname)
ns1.he.net
Admin Email (rname)
hostmaster@he.net
Serial
2024101701
Refresh
10800s
Retry
1800s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns4.he.net
ns3.he.net
ns5.he.net
ns1.he.net
ns2.he.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:spf.ipzmarketing.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; fo=1:d:s; rua=mailto:[email protected]; ruf=mailto:[email protected]; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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
5 records- google-site-verification=knR7MM8MlOIHIKGVeiHgTPJiUrBPPxuwOAM6_5oI6h4
- 0ed1fe018a5937fc9dd53f4c16949ef8aedf682c84
- brevo-code:dcbbd4bfdc6f4fbec28c63e0a296a40a
- SPFv=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:spf.ipzmarketing.com -all
- MS=ms85833018
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