joburg.org.za

Valid Email Server
Domain Lookup › joburg.org.za

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
joburg.org.za
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 16:42:49 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 197.98.16.26 (no PTR)

Mail Server IPs

  • 41.74.193.201 ↩ za-smtp-inbound-2.mimecast.co.za
  • 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

SOA Record

Raw SOA ns1.is.co.za support.is.co.za 2022031801 86400 14400 604800 86400
Primary NS (mname)
ns1.is.co.za
Admin Email (rname)
support@is.co.za
Serial
2022031801
Refresh
86400s
Retry
14400s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

titan.is.co.za
jupiter.is.co.za
demeter.is.co.za

SPF Record

✓ Strict (-all)
v=spf1 ip4:196.35.202.68 ip4:197.149.180.70 include:za._netblocks.mimecast.com include:spf.protection.outlook.com include:zcsend.net a:c.spf.service-now.com a:d.spf.service-now.com -all
📊 DNS lookups: 5/10
✓ 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

✓ 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

4 records
  • _l1i5c56t08osnubswcjqfjhwzl4cx08
  • MS=ms27922798
  • MS=ms64808216
  • SPFv=spf1 ip4:196.35.202.68 ip4:197.149.180.70 include:za._netblocks.mimecast.com include:spf.protection.outlook.com include:zcsend.net a:c.spf.service-now.com a:d.spf.service-now.com -all
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