ci.el-cajon.ca.us

Valid Email Server
Domain Lookup › ci.el-cajon.ca.us

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ci.el-cajon.ca.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-20 04:03:26 UTC · ↺ Refresh

MX Hostnames

  • ci-elcajon-ca-us01c.mail.protection.outlook.com

MX Priorities

  • ci-elcajon-ca-us01c.mail.protection.outlook.com: 10

A / AAAA Records

  • 135.84.124.41 (no PTR)

Mail Server IPs

  • 52.101.11.12 ↩ mail-sa9pr09cu00104.inbound.protection.outlook.com
  • 52.101.8.50 ↩ mail-dm6pr09cu00202.inbound.protection.outlook.com
  • 52.101.8.52 ↩ mail-ds0pr09cu00104.inbound.protection.outlook.com
  • 52.101.9.19 ↩ mail-blapr09cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:f900::1 ↩ mail-blapr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f90e::1 ↩ mail-sa9pr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f904:: ↩ mail-dm6pr09cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f904::1 ↩ mail-ds0pr09cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.brinkster.com administrator.brinkster.com 2006080801 3600 120 1209600 3600
Primary NS (mname)
ns1.brinkster.com
Admin Email (rname)
administrator@brinkster.com
Serial
2006080801
Refresh
3600s
Retry
120s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns1.brinkster.com
ns2.brinkster.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ip4:207.7.154.9 include:spf.dynect.net ip4:208.75.2.84 ip4:13.88.11.26 ip4:216.223.188.23 ip4:216.223.188.24 ip4:216.223.188.25 ip4:216.223.188.26 ip4:162.246.160.0/24 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1

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

All TXT Records

1 record
  • SPFv=spf1 include:spf.protection.outlook.com ip4:207.7.154.9 include:spf.dynect.net ip4:208.75.2.84 ip4:13.88.11.26 ip4:216.223.188.23 ip4:216.223.188.24 ip4:216.223.188.25 ip4:216.223.188.26 ip4:162.246.160.0/24 ~all
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