`optimalcomputing.co.za`

DNSSEC	⚠️ Not signed
A	41.76.104.31^{🇿🇦 DIAMATRIX41.76.104.0/24 CLOUD}
		PTR	`waohost.cpserver.host`
NS	`ns1.waohost.com` ⭐
		A	169.239.219.125^{🇿🇦 DIAMATRIX169.239.219.0/24 TERACO-DC}
			PTR	`ns1.dns-ns.host`
NS	`ns2.waohost.com`
		A	169.239.216.125^{🇿🇦 DIAMATRIX169.239.216.0/24 TERACO}
			PTR	`ns2.dns-ns.zone`
NS	`ns3.waohost.com`
		A	51.195.253.11^{🇫🇷 OVH51.195.0.0/16}
			PTR	`ns3.dns-ns.host`
NS	`ns4.waohost.com`
		A	129.232.221.66^{🇿🇦 xneelo129.232.128.0/17 -JHB-BLK}
			PTR	`66.221.232.129.reverse.xneelo.net`
MX	`mx1.cpmx.co.za` ⭐
		A	41.222.32.2^{🇿🇦 DIAMATRIX41.222.32.0/24 WORDPRESS HOSTING}
			PTR	`se-filter05.tld-mx.com`
		A	41.222.34.2^{🇿🇦 DIAMATRIX41.222.34.0/24 SHARED-HOSTING}
			PTR	`se-filter06.tld-mx.com`
		A	169.239.217.2^{🇿🇦 DIAMATRIX169.239.217.0/24 -RESELLER}
			PTR	`se-filter02.tld-mx.com`
		A	169.239.218.2^{🇿🇦 DIAMATRIX169.239.218.0/24 SHARED-HOSTING}
			PTR	`se-filter03.tld-mx.com`
		A	169.239.219.2^{🇿🇦 DIAMATRIX169.239.219.0/24 TERACO-DC}
			PTR	`se-filter04.tld-mx.com`
TXT	`v=spf1 ip4:41.76.104.31 include:_spf.tld-mx.com ip4:169.239.217.50 +a +mx ~all`
SOA	`ns1.waohost.com`dns@waohost.com 2026-03-26 #0

`co.za`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns.coza.net.za` ⭐
	NS	`coza1.dnsnode.net`
	NS	`ns2.dns.net.za`
	NS	`ns2us.dns.business`
	NS	`ns5.dns.net.za`
	MX	`mx2.dns.business` ⭐
	TXT	`v=spf1 a:mail.coza.net.za a:mx2.coza.net.za a:mail.registry.net.za include:_...`
	TXT	`google-site-verification=likJ1inLA3BiWH30vLTURD5kbYZshPreaO0bQH_pMVM`
	SOA	`ns.coza.net.za`this-is-probably-not-the-email-address-you-are-looking-for@co.za 2025-07-06 #52

📈 Tranco rank: #850,724
rank #792348 globally
rank #1377 in the tld
WOT: SAFE (72/100)

Subdomains

www.optimalcomputing.co.za

Same first word

optimalcomputing.co.nz

optimalcomputing.be

optimalcomputing.co.za

DNS History

6 records (6 active, 0 former)

●NSns1.waohost.com2026-03-28 → 2026-04-26 · 2 obs

● 2026-03-28 06:20:28
● 2026-04-26 20:40:24

●NSns2.waohost.com2026-03-28 → 2026-04-26 · 2 obs

● 2026-03-28 06:20:28
● 2026-04-26 20:40:24

●NSns3.waohost.com2026-03-28 → 2026-04-26 · 2 obs

● 2026-03-28 06:20:28
● 2026-04-26 20:40:24

●NSns4.waohost.com2026-03-28 → 2026-04-26 · 2 obs

● 2026-03-28 06:20:28
● 2026-04-26 20:40:24

●MXmx1.cpmx.co.za2026-03-28 → 2026-04-26 · 2 obs

● 2026-03-28 06:20:28
● 2026-04-26 20:40:24

●A41.76.104.312026-03-28 → 2026-04-26 · 2 obs

● 2026-03-28 06:20:28
● 2026-04-26 20:40:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
za	za1.dnsnode.net, nsza.is.co.za, za-ns.anycast.pch.net	5 records
optimalcomputing.co.za	ns4.waohost.com, ns1.waohost.com, ns2.waohost.com, ns3.waohost.com	-

✅ Authoritative Response

Server:129.232.221.66

NS records: ns4.waohost.com, ns1.waohost.com, ns2.waohost.com, ns3.waohost.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optimalcomputing.co.za (unsigned zone)

⏱️ Timing

Total: 2696ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`41.76.104.31`
NS	4	`ns4.waohost.com, ns3.waohost.com...`
MX	1	`mx1.cpmx.co.za (pri: 10)`
TXT	1	`v=spf1 ip4:41.76.104.31 include:_spf.tld`
SOA	1	`ns1.waohost.com dns.waohost.com`

📌 Glue Records Collected

Total: 5

In-bailiwick: 1 (nsza.is.co.za)

Out-of-bailiwick: 4 (za1.dnsnode.net, za-ns.anycast.pch.net, za1.dnsnode.net...)

Analysis

Hierarchy

The parent of www.optimalcomputing.co.za is optimalcomputing.co.za.

IP Addresses

optimalcomputing.co.za points to a single IP address: 41.76.104.31.

Other host names such as ididart.com, infotechcomputers.co.za, delcom.co.za, molpatevents.co.za and waohost.com share IPs with optimalcomputing.co.za.

Name Servers

optimalcomputing.co.za is delegated to four name servers: ns1.waohost.com, ns2.waohost.com, ns3.waohost.com and ns4.waohost.com.

optimalcomputing.co.za at least partially shares name servers with other domains, for example qsrmoney.com, auroramedicaltech.com, atexmodels.co.za, ididart.com and infotechcomputers.co.za.

these name servers commonly pair with ns1.waohost.co.za, ns2.waohost.co.za, ns3.waohost.co.za and ns4.waohost.co.za.

Host names with one IP number:

ns1.waohost.com points to: 169.239.219.125

ns2.waohost.com points to: 169.239.216.125

ns3.waohost.com points to: 51.195.253.11

ns4.waohost.com points to: 129.232.221.66

Mail Servers

The mx1.cpmx.co.za mail server handles optimalcomputing.co.za.

optimalcomputing.co.za shares the same mail server setup as other domains, including softlinemedia.co.za, stayhere.co.za, letsatsigamelodge.com, gpnet.net and floben.co.za.

The host name mx1.cpmx.co.za points to five IP numbers: 41.222.32.2, 41.222.34.2, 169.239.217.2, 169.239.218.2 and 169.239.219.2.

optimalcomputing.co.za - robtex.com