colonialsd.org

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
colonialsd.org
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-04-01 14:46:29 UTC ยท โ†บ Refresh

MX Hostnames

  • colonialsd-org.mail.protection.outlook.com

MX Priorities

  • colonialsd-org.mail.protection.outlook.com: 1

A / AAAA Records

  • 104.17.67.73 (no PTR)

Mail Server IPs

  • 52.101.9.17 (no PTR)
  • 52.101.9.14 โ†ฉ mail-bl0pr03cu00206.inbound.protection.outlook.com
  • 52.101.40.1 โ†ฉ mail-cy4pr03cu00101.inbound.protection.outlook.com
  • 52.101.50.7 โ†ฉ mail-co1pr21cu00207.inbound.protection.outlook.com
  • 2a01:111:f403:c902::1 โ†ฉ mail-sj2pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:f905::4 โ†ฉ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:c922::1 โ†ฉ mail-bl0pr05cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:f910:: โ†ฉ mail-cy5pr03cu00300.inbound.protection.outlook.com

SOA Record

Raw SOA a3.uberns.com hostmaster.mciu.org 2603310000 10800 3600 604800 86400
Primary NS (mname)
a3.uberns.com
Admin Email (rname)
hostmaster@mciu.org
Serial
2603310000
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

b3.uberns.com
a3.uberns.com

SPF Record

โœ“ Strict (-all)
v=spf1 mx ip4:8.12.72.20 ip4:66.195.143.26 ip4:216.162.88.0/26 ip4:23.103.224.0/19 ip4:206.191.224.0/19 ip4:40.103.0.0/16 ip4:192.230.230.0/24 ip4:69.196.242.0/24 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:spf.protection.outlook.com include:spfa.cpmails.com -all
๐Ÿ“Š DNS lookups: 4/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine โ€” good protection (failing mail goes to spam)
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 2 found
selector1._domainkey
selector2._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

5 records
  • SPFv=spf1 mx ip4:8.12.72.20 ip4:66.195.143.26 ip4:216.162.88.0/26 ip4:23.103.224.0/19 ip4:206.191.224.0/19 ip4:40.103.0.0/16 ip4:192.230.230.0/24 ip4:69.196.242.0/24 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:spf.protection.outlook.com include:spfa.cpmails.com -all
  • MS=ms60484524
  • MS=ms71172098
  • duo_sso_verification=uFMknOt2EZAHii3BnqOblPa8ocC7VfvJKwEbsjLuzWNGbZlN9CpE9mUupbBCA3Zg
  • MAOoj0HYJ/5m/lCSxeOYANL/ClSXNoxJHWUYLXGRxoFEThlppq3+YcD+aI9FzjObAvjIFHYgAgLA5l/5OMfCmw==
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