steelmart.com.mx

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
steelmart.com.mx
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-04 20:59:33 UTC · ↺ Refresh

MX Hostnames

  • steelmart-com-mx.mail.protection.outlook.com

MX Priorities

  • steelmart-com-mx.mail.protection.outlook.com: 0

A / AAAA Records

  • 72.52.191.171 (no PTR)

Mail Server IPs

  • 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
  • 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
  • 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
  • 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
  • 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com

SOA Record

Raw SOA dns1.stabletransit.com ipadmin.stabletransit.com 1758728485 21600 3600 1814400 300
Primary NS (mname)
dns1.stabletransit.com
Admin Email (rname)
ipadmin@stabletransit.com
Serial
1758728485
Refresh
21600s
Retry
3600s
Expire
1814400s
Minimum TTL
300s

Nameservers (NS)

dns1.stabletransit.com
dns2.stabletransit.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:201.174.108.82 ip4:201.174.108.83 ip4:201.174.108.84 ip4:201.174.108.85 ip4:201.174.108.86 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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

3 records
  • openai-domain-verification=dv-Gxpu9xWq8saz17OXIJJ4HzXY
  • _globalsign-domain-verification=2nelYgqTDyhmBa9BypSu_GagMl0OfN7mJreyZbx0LG
  • SPFv=spf1 ip4:201.174.108.82 ip4:201.174.108.83 ip4:201.174.108.84 ip4:201.174.108.85 ip4:201.174.108.86 include:spf.protection.outlook.com -all
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