Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
columbiahm.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 10:04:12 UTC · ↺ Refresh
MX Hostnames
- columbiahm-com.mail.protection.outlook.com
MX Priorities
- columbiahm-com.mail.protection.outlook.com: 0
A / AAAA Records
- 204.44.201.184 (no PTR)
Mail Server IPs
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.lp.hostpapa.com admin.hostpapa.ca 2026032901 3600 1800 1209600 86400
Primary NS (mname)
ns1.lp.hostpapa.com
Admin Email (rname)
admin@hostpapa.ca
Serial
2026032901
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.lp.hostpapa.com
ns2.lp.hostpapa.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:204.44.192.58 +ip4:204.44.201.184 +include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 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 +a +mx +ip4:204.44.192.58 +ip4:204.44.201.184 +include:spf.protection.outlook.com -all
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