Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
castleinvestments.co.za
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 04:05:16 UTC · ↺ Refresh
MX Hostnames
- mx.spamexperts.com
- fallbackmx.spamexperts.eu
- lastmx.spamexperts.net
- mail.castleinvestments.co.za
MX Priorities
- mx.spamexperts.com: 10
- mail.castleinvestments.co.za: 10
- lastmx.spamexperts.net: 30
- fallbackmx.spamexperts.eu: 20
A / AAAA Records
- 197.189.199.242 ↩ vm02-gary.webonline.biz
Mail Server IPs
- 38.71.16.244 ↩ fe2-r2-in.la10.l.antispamcloud.com
- 2001:550:2:61::2fc:100 (no PTR)
- 197.189.199.242 ↩ vm02-gary.webonline.biz
- 38.89.254.156 ↩ fe1-r2-in.ch03.l.antispamcloud.com
- 149.13.75.27 ↩ fe1-r3-in.fra02.l.antispamcloud.com
- 154.59.104.23 ↩ fe2-r3-in.ams14.l.antispamcloud.com
- 2001:550:2:3::62:100 ↩ fe2-r2-in.la10.l.antispamcloud.com
- 2001:978:2:2c::137:100 ↩ fe2-r3-in.ams14.l.antispamcloud.com
- 2001:978:2:7::162:100 ↩ fe1-r3-in.fra02.l.antispamcloud.com
- 38.101.250.150 ↩ fe3-r2-in.atl06.l.antispamcloud.com
- 2001:550:2:78::ca:100
SOA Record
Raw SOA
ns1.webonline.biz castleinv.mweb.co.za 1642680172 10800 3600 604800 10800
Primary NS (mname)
ns1.webonline.biz
Admin Email (rname)
castleinv@mweb.co.za
Serial
1642680172
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns2.webonline.biz
ns1.webonline.biz
ns3.webonline.biz
SPF Record
✓ Strict (-all)
v=spf1 ip4:197.189.199.242/31 a -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✗ None detectedNo 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
1 record- SPFv=spf1 ip4:197.189.199.242/31 a -all
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