colwellpestcontrol.com

Valid Email Server
Domain Lookup › colwellpestcontrol.com

Domain Overview

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

Checked via [email protected] · 2026-03-24 05:55:05 UTC · ↺ Refresh

MX Hostnames

  • colwellpestcontrol-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 199.180.140.11 (no PTR)
  • 199.180.140.12 (no PTR)

Mail Server IPs

  • 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
  • 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
  • 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
  • 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA ns-761.awsdns-31.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-761.awsdns-31.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1941.awsdns-50.co.uk
ns-492.awsdns-61.com
ns-761.awsdns-31.net
ns-1241.awsdns-27.org

SPF Record

✓ Strict (-all)
v=spf1 +a ip4:50.192.9.121/32 ip4:54.85.70.106/32 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ 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
  • SPFv=spf1 +a ip4:50.192.9.121/32 ip4:54.85.70.106/32 include:spf.protection.outlook.com -all
  • MS=ms35685855
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