steelgatellc.com

Valid Email Server
Domain Lookup › steelgatellc.com

Domain Overview

DNS: ✓ just now Checker: ✓ just now
steelgatellc.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-02 01:59:12 UTC · ↺ Refresh

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MX Hostnames

  • steelgatellc.mail.protection.office365.us

MX Priorities

  • steelgatellc.mail.protection.office365.us: 0

A / AAAA Records

  • 192.158.226.175 (no PTR)

Mail Server IPs

  • 23.103.199.170 ↩ mail-cy1usg020170.inbound.protection.outlook.com
  • 23.103.199.138 ↩ mail-bn3usg020138.inbound.protection.outlook.com
  • 2001:489a:2202:5::10 ↩ mail-cy1usg020010.inbound.protection.outlook.com
  • 2001:489a:2202:4::10 ↩ mail-bn3usg020010.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1502.awsdns-59.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1502.awsdns-59.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-589.awsdns-09.net
ns-15.awsdns-01.com
ns-1502.awsdns-59.org
ns-1551.awsdns-01.co.uk

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.office365.us -all
📊 DNS lookups: 1/10
✓ 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

2 records
  • MS=ms84384280
  • SPFv=spf1 include:spf.protection.office365.us -all
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