columbiatechnologies.com

Valid Email Server
Domain Lookup › columbiatechnologies.com

Domain Overview

DNS: ✓ 19d ago Checker: ✓ 19d ago
columbiatechnologies.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-22 03:52:59 UTC · ↺ Refresh

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MX Hostnames

  • columbiatechnologies-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 200.69.18.139 ↩ sh-cp1.mia1.servername.online

Mail Server IPs

  • 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
  • 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
  • 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.hostpapa.com admin.hostpapa.ca 2026042202 3600 3600 1209600 10800
Primary NS (mname)
ns1.hostpapa.com
Admin Email (rname)
admin@hostpapa.ca
Serial
2026042202
Refresh
3600s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s

Nameservers (NS)

ns1.hostpapa.com
ns2.hostpapa.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:200.69.18.139 include:relay.mailchannels.net include:spf.protection.outlook.com include:2642523.spf08.hubspotemail.net include:quickbooks.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;adkim=s;aspf=s;pct=100;fo=1;rf=afrf;ri=86400;rua=mailto:[email protected];ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

DKIM Selectors

✓ 2 found
default._domainkey
k1._domainkey
✓ Public key: 392 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

4 records
  • google-site-verification=LQjICgMnftbxReKumDMlEC-dl1lBLKwKc1lualjJmyE
  • SPFv=spf1 ip4:200.69.18.139 include:relay.mailchannels.net include:spf.protection.outlook.com include:2642523.spf08.hubspotemail.net include:quickbooks.com ~all
  • 3600
  • MS=ms84729879
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