cosmo.co.za

Valid Email Server
Domain Lookup › cosmo.co.za

Domain Overview

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

Checked via [email protected] · 2026-03-30 21:11:26 UTC · ↺ Refresh

MX Hostnames

  • za-smtp-inbound-1.mimecast.co.za
  • za-smtp-inbound-2.mimecast.co.za

MX Priorities

  • za-smtp-inbound-2.mimecast.co.za: 10
  • za-smtp-inbound-1.mimecast.co.za: 10

A / AAAA Records

  • 172.67.73.136 (no PTR)
  • 104.26.12.11 (no PTR)
  • 104.26.13.11 (no PTR)
  • 2606:4700:20::681a:c0b (no PTR)
  • 2606:4700:20::681a:d0b (no PTR)
  • 2606:4700:20::ac43:4988 (no PTR)

Mail Server IPs

  • 41.74.197.210 ↩ za-smtp-inbound-1.mimecast.co.za
  • 41.74.193.210 ↩ za-smtp-inbound-2.mimecast.co.za
  • 41.74.197.201 ↩ za-smtp-inbound-1.mimecast.co.za
  • 41.74.193.201 ↩ za-smtp-inbound-2.mimecast.co.za

SOA Record

Raw SOA houston.ns.cloudflare.com dns.cloudflare.com 2400362775 10000 2400 604800 1800
Primary NS (mname)
houston.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400362775
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

jade.ns.cloudflare.com
houston.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:za._netblocks.mimecast.com include:spf.protection.outlook.com include:spf.host-h.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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
  • htbsDrnY8N9SQX2oD32lOoQD4HVgzWzNgkQbDBIq1MZlMEc/OUOLCLRXa7Vi1lCdOd50OkzOtLGr27DYt2IwIA==
  • SPFv=spf1 include:za._netblocks.mimecast.com include:spf.protection.outlook.com include:spf.host-h.net -all
  • MS=ms17601507
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for cosmo.co.za

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits