sastudio.co

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sastudio.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 04:12:26 UTC · ↺ Refresh

MX Hostnames

  • sastudio-co.mail.protection.outlook.com

MX Priorities

  • sastudio-co.mail.protection.outlook.com: 0

A / AAAA Records

  • 165.101.143.18 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA new_ibnserver10 hostmaster 99 900 600 86400 3600
Primary NS (mname)
new_ibnserver10
Admin Email (rname)
hostmaster
Serial
99
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s

Nameservers (NS)

ns.ibntech.com
ns.ibnhost.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:202.38.173.220 ip4:202.38.173.221 +a +mx +include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 137 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

1 record
  • SPFv=spf1 ip4:202.38.173.220 ip4:202.38.173.221 +a +mx +include:spf.protection.outlook.com -all
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