columbusjcc.org

Valid Email Server
Domain Lookup › columbusjcc.org
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
columbusjcc.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-03 07:03:43 UTC · ↺ Refresh

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MX Hostnames

  • columbusjcc-org.mail.protection.outlook.com

MX Priorities

  • columbusjcc-org.mail.protection.outlook.com: 0

A / AAAA Records

  • 162.159.134.42 (no PTR)

Mail Server IPs

  • 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
  • 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
  • 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com

SOA Record

Raw SOA ns-818.awsdns-38.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-818.awsdns-38.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1816.awsdns-35.co.uk
ns-221.awsdns-27.com
ns-818.awsdns-38.net
ns-1330.awsdns-38.org

SPF Record

✓ Strict (-all)
v=spf1 ip4:67.149.208.66 ip4:23.244.87.2 include:spf.protection.outlook.com include:aspmx.pardot.com include:_spf.salesforce.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

3 records
  • ca3-f760908e21084f7a93c47fc24303a2aa
  • pardot923213=382cba5f3c11cdfdf0dd39fcf64e89f0c3c1ce769ace968da777414d02506f26
  • SPFv=spf1 ip4:67.149.208.66 ip4:23.244.87.2 include:spf.protection.outlook.com include:aspmx.pardot.com include:_spf.salesforce.com -all
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