Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nmsa.co.za
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 06:14:37 UTC · ↺ Refresh
MX Hostnames
- mail.nmsa.co.za
MX Priorities
- mail.nmsa.co.za: 10
A / AAAA Records
- 148.251.89.211 ↩ mercury.hkdns.host
Mail Server IPs
- 148.251.89.211 ↩ mercury.hkdns.host
SOA Record
Raw SOA
plesk-dns01.hkdns.co.za stuart.ndnsa.co.za 2026013001 10800 3600 604800 10800
Primary NS (mname)
plesk-dns01.hkdns.co.za
Admin Email (rname)
stuart@ndnsa.co.za
Serial
2026013001
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
plesk-dns01.hkdns.co.za
plesk-dns02.hkdns.co.za
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +a:mercury.hkdns.host -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 +a +mx +a:mercury.hkdns.host -all
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 nmsa.co.za
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits