Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dpcolo.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 01:39:57 UTC · ↺ Refresh
MX Hostnames
- dpcolo-org.mail.protection.outlook.com
MX Priorities
- dpcolo-org.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.69.88 (no PTR)
- 172.67.206.191 (no PTR)
- 2606:4700:3033::ac43:cebf
- 2606:4700:3037::6815:4558
Mail Server IPs
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
jill.ns.cloudflare.com dns.cloudflare.com 2397955155 10000 2400 604800 1800
Primary NS (mname)
jill.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397955155
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
yew.ns.cloudflare.com
jill.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:50.203.175.158 include:spf.protection.outlook.com include:_spf.regroupcloud.com include:mailgun.org include:spf.constantcontact.com include:mail.zendesk.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
9 records- knowbe4-site-verification=ab34c955b329d86be2df456c43395afc
- smartsheet-site-validation=kiu9QFUgnFb42WZsXLogfDJiqNBMHBK8
- SPFv=spf1 ip4:50.203.175.158 include:spf.protection.outlook.com include:_spf.regroupcloud.com include:mailgun.org include:spf.constantcontact.com include:mail.zendesk.com -all
- 0JsuhJEtDL4gXr1/bZHoHwjbc6+CtziZBpWHQMPpzXWL59SfFAmENmDYoVNDFy10wyD7WDLwCwB4xLBAOLcZYw==
- MS=ms64761847
- ZOOM_verify_aMzc3nG6RzGLF9ws1fhAjw
- amazon-business-verification=7e104b38bc580f127973601bad0e9c48b0da9bb5aab77441c71fc7def0a2ea0e
- apple-domain-verification=aUVnlKIYyPhZAGO3
- google-site-verification=5qTix81NDPmX1Z3UzOCDP2973dmPsJXqqwPLM7QEVP4
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