Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
h3c.com.mx
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 08:07:22 UTC · ↺ Refresh
MX Hostnames
- h3c-com-mx.mail.protection.outlook.com
MX Priorities
- h3c-com-mx.mail.protection.outlook.com: 0
A / AAAA Records
- 129.213.156.254 (no PTR)
Mail Server IPs
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.mysecurecloudhost.com ismael\.urbina.h3c.com.mx 2025051503 3600 3600 3600 3600
Primary NS (mname)
ns1.mysecurecloudhost.com
Admin Email (rname)
ismael\@urbina.h3c.com.mx
Serial
2025051503
Refresh
3600s
Retry
3600s
Expire
3600s
Minimum TTL
3600s
Nameservers (NS)
ns2.mysecurecloudhost.com
ns4.mysecurecloudhost.com
ns3.mysecurecloudhost.com
ns1.mysecurecloudhost.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:md02.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
4 records- DMARCv=DMARC1; p=none; rua=mailto:[email protected];
- SPFv=spf1 include:spf.protection.outlook.com include:md02.com -all
- MS=ms64889018
- _globalsign-domain-verification=ZH8jdT_4dndQy8iZ70X7zhmrdEzAyR0fimh3sTUm9_
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