Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
imsimbi.co.za
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 20:27:01 UTC · ↺ Refresh
MX Hostnames
- imsimbi-co-za.mail.protection.outlook.com
MX Priorities
- imsimbi-co-za.mail.protection.outlook.com: 10
A / AAAA Records
- 196.22.132.8 ↩ www8.jnb1.host-h.net
Mail Server IPs
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.host-h.net postmaster.imsimbi.co.za 20260113 86400 1800 3600000 86400
Primary NS (mname)
ns1.host-h.net
Admin Email (rname)
postmaster@imsimbi.co.za
Serial
20260113
Refresh
86400s
Retry
1800s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns1.dns-h.com
ns2.dns-h.com
ns2.host-h.net
ns1.host-h.net
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=_snz8h4z7t.sdmarc.net
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=s; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
s1._domainkey
✓ Public key: 216 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
2 records- SPFv=spf1 redirect=_snz8h4z7t.sdmarc.net
- MS=ms80829841
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 imsimbi.co.za
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits