siosd.com

Valid Email Server
Domain Lookup › siosd.com

Domain Overview

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

Checked via [email protected] · 2026-04-04 09:26:01 UTC · ↺ Refresh

MX Hostnames

  • smtp.secureserver.net
  • siosd-com.mail.protection.outlook.com
  • mailstore1.secureserver.net

MX Priorities

  • mailstore1.secureserver.net: 20
  • siosd-com.mail.protection.outlook.com: 0
  • smtp.secureserver.net: 10

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 216.69.141.78 ↩ osplibsmtp01-v02.prod.phx3.secureserver.net
  • 216.69.141.162 ↩ osplibsmtp02-v02.prod.phx3.secureserver.net
  • 216.69.141.114 ↩ osplibsmtp03-v02.prod.phx3.secureserver.net
  • 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
  • 52.101.9.17 (no PTR)
  • 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
  • 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
  • 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
  • 2a01:111:f403:c946::1
  • 216.69.141.71
  • 216.69.141.113
  • 216.69.141.84

SOA Record

Raw SOA ns29.domaincontrol.com dns.jomax.net 2026012800 28800 7200 604800 3600
Primary NS (mname)
ns29.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026012800
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns29.domaincontrol.com
ns30.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -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=ms94678298
  • SPFv=spf1 include:spf.protection.outlook.com -all
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