ydeveloper.com

Valid Email Server
Domain Lookup › ydeveloper.com

Domain Overview

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

Checked via [email protected] · 2026-03-22 18:12:36 UTC · ↺ Refresh

MX Hostnames

  • ydeveloper-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 72.32.235.122 (no PTR)

Mail Server IPs

  • 52.101.145.0 ↩ mail-pnzpr01cu00200.inbound.protection.outlook.com
  • 52.101.145.2 ↩ mail-pnypr01cu00202.inbound.protection.outlook.com
  • 52.101.144.0 ↩ mail-ma0pr01cu01000.inbound.protection.outlook.com
  • 52.101.144.3 ↩ mail-ma0pr01cu01103.inbound.protection.outlook.com
  • 2a01:111:f403:cc2d:: ↩ mail-pnzpr01cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:cc2c::1 ↩ mail-ma0pr01cu01101.inbound.protection.outlook.com
  • 2a01:111:f403:cc2c:: ↩ mail-ma0pr01cu01000.inbound.protection.outlook.com
  • 2a01:111:f403:cc2d::1 ↩ mail-pnypr01cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA ns.rackspace.com hostmaster.rackspace.com 1621948396 3600 300 1814400 300
Primary NS (mname)
ns.rackspace.com
Admin Email (rname)
hostmaster@rackspace.com
Serial
1621948396
Refresh
3600s
Retry
300s
Expire
1814400s
Minimum TTL
300s

Nameservers (NS)

ns.rackspace.com
ns2.rackspace.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
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms42140882
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