steeler.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
steeler.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-18 12:17:00 UTC · ↺ Refresh

MX Hostnames

  • steeler-com.mail.protection.outlook.com

MX Priorities

  • steeler-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 204.232.232.213 (no PTR)

Mail Server IPs

  • 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
  • 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
  • 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.threshinc.com hostmaster.threshinc.com 2022110402 7200 1800 1814400 3600
Primary NS (mname)
ns1.threshinc.com
Admin Email (rname)
hostmaster@threshinc.com
Serial
2022110402
Refresh
7200s
Retry
1800s
Expire
1814400s
Minimum TTL
3600s

Nameservers (NS)

ns1.threshinc.com
ns2.threshinc.com

SPF Record

✓ Strict (-all)
v=spf1 a mx ptr include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

5 records
  • MS=5D1C59B97B99351FD77AF54FEF275AE775F2F244
  • MS=ms50217394
  • 05.08.2022
  • SPFv=spf1 a mx ptr include:spf.protection.outlook.com -all
  • apple-domain-verification=z4lifd2NMiMericI
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