`mail.certaintyworks.com`

DNSSEC	⚠️ Not signed
A	41.203.18.177^{🇿🇦 xneelo41.203.16.0/20 -JHB-BLK}
		PTR	`regonly.jnb2.host-h.net`

`certaintyworks.com`

	DNSSEC	⚠️ Not signed
	A	41.203.18.177^{🇿🇦 xneelo41.203.16.0/20 -JHB-BLK}
	NS	`ns1.host-h.net` ⭐
	NS	`ns1.dns-h.com`
	NS	`ns2.dns-h.com`
	NS	`ns2.host-h.net`
	MX	`mail.certaintyworks.com` ⭐
	TXT	`v=spf1 mx a include:spf.host-h.net ?all`
	SOA	`ns1.host-h.net`postmaster@your-server.co.za 2021-10-01 #0

MX for

certaintyworks.com

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DNS History

1 record (1 active, 0 former)

●A41.203.18.1772017-08-10 → 2026-04-01 · 2 obs

● 2017-08-10 06:44:38
● 2026-04-01 01:41:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net...	-
certaintyworks.com	ns1.host-h.net, ns2.host-h.net, ns1.dns-h.com, ns2.dns-h.com	2 records

✅ Authoritative Response

Server:129.232.248.41

NS records: ns1.host-h.net, ns2.host-h.net, ns1.dns-h.com, ns2.dns-h.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for certaintyworks.com (unsigned zone)

⏱️ Timing

Total: 777ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`41.203.18.177`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.dns-h.com, ns2.dns-h.com)

Analysis

Mail Server Role

mail.certaintyworks.com acts as a mail server for certaintyworks.com.

IP Addresses

mail.certaintyworks.com points to a single IP number: 41.203.18.177.

Other host names, for instance mail.helderbergvillage.co.za, mail.getosend.com, blanketfilms.com, www.wordpressdev.capetown and ccit.co.za share IP numbers with mail.certaintyworks.com.

mail.certaintyworks.com - robtex.com