coloradobiolabs.com

Valid Email Server
Domain Lookup › coloradobiolabs.com

Domain Overview

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

Checked via [email protected] · 2026-03-24 16:11:02 UTC · ↺ Refresh

MX Hostnames

  • coloradobiolabs-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
  • 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
  • 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f903:: (no PTR)
  • 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com

SOA Record

Raw SOA chan.ns.cloudflare.com dns.cloudflare.com 2398978958 10000 2400 604800 1800
Primary NS (mname)
chan.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398978958
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

chan.ns.cloudflare.com
clark.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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

2 records
  • MS=ms48109853
  • SPFv=spf1 include:spf.protection.outlook.com -all
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