calidus.co.za

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
calidus.co.za
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-23 17:58:57 UTC · ↺ Refresh

MX Hostnames

  • calidus-co-za.mail.protection.outlook.com

MX Priorities

  • calidus-co-za.mail.protection.outlook.com: 10

A / AAAA Records

  • 169.1.24.73 ↩ bethesolution.dedicated.co.za

Mail Server IPs

  • 52.101.160.0 ↩ mail-jnyp275cu00200.inbound.protection.outlook.com
  • 52.101.160.1 ↩ mail-jn3p275cu00401.inbound.protection.outlook.com
  • 52.101.162.1 ↩ mail-ct2p275cu01101.inbound.protection.outlook.com
  • 52.101.162.0 ↩ mail-ct2p275cu01000.inbound.protection.outlook.com
  • 2a01:111:f403:ca2a::1 ↩ mail-ct2p275cu01101.inbound.protection.outlook.com
  • 2a01:111:f403:ca2a:: ↩ mail-ct2p275cu01000.inbound.protection.outlook.com
  • 2a01:111:f403:ca28::1 ↩ mail-jn3p275cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca28:: ↩ mail-jnyp275cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.clusterdns.co.za hostingservers.internet.co.za 2025071100 3600 1800 1209600 3600
Primary NS (mname)
ns1.clusterdns.co.za
Admin Email (rname)
hostingservers@internet.co.za
Serial
2025071100
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns3.hostdns.co.za
ns1.clusterdns.co.za
ns2.clusterdns.co.za
ns4.clusterdns.org

SPF Record

✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:v=spf1 include:spf.aserv.co.za include:spf.protection.outlook.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

3 records
  • 0ed1fe018a52bc605c92df4e2ebdfb2207db1c427c
  • SPFv=spf1 +a +mx +ip4:v=spf1 include:spf.aserv.co.za include:spf.protection.outlook.com ~all
  • MS=ms55827398
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