infinitiofcolumbus.com

Valid Email Server
Domain Lookup › infinitiofcolumbus.com

Domain Overview

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

Checked via [email protected] · 2026-03-29 16:57:39 UTC · ↺ Refresh

MX Hostnames

  • infinitiofcolumbus-com.mail.protection.outlook.com

MX Priorities

  • infinitiofcolumbus-com.mail.protection.outlook.com: 1

A / AAAA Records

  • 199.232.192.247 (no PTR)

Mail Server IPs

  • 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
  • 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
  • 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
  • 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.dnsowl.com hostmaster.dnsowl.com 1774803152 7200 1800 1209600 600
Primary NS (mname)
ns1.dnsowl.com
Admin Email (rname)
hostmaster@dnsowl.com
Serial
1774803152
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

ns1.dnsowl.com
ns2.dnsowl.com
ns3.dnsowl.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:sharepointonline.com include:dospf.simplepart.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

✗ 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=ms46352224
  • SPFv=spf1 include:spf.protection.outlook.com include:sharepointonline.com include:dospf.simplepart.com -all
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