`mail.cobcourses.com`

	DNSSEC	⚠️ Not signed
	A	94.136.40.51^{🇬🇧 GD-EMEA-DC-LD594.136.40.0/24}

`cobcourses.com`

	DNSSEC	⚠️ Not signed
	A	185.230.63.171^{🇺🇸 wix_com185.230.63.0/24}
	NS	`ns31.domaincontrol.com` ⭐
	NS	`ns32.domaincontrol.com`
	MX	`mx0.123-reg.co.uk` ⭐
	MX	`mx1.123-reg.co.uk`⁽²⁰⁾
	SOA	`ns31.domaincontrol.com`dns@jomax.net 2024-05-26 #0

Previously MX for

cobcourses.com

Same first word

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DNS History

2 records (1 active, 1 former)

○A66.147.242.1722015-05-22 → 2016-07-14 · 4 obs

● 2015-05-22 15:05:20
● 2016-07-14 09:08:44
○ 2026-03-10 05:45:50
○ 2026-04-12 03:28:32

●A94.136.40.512026-03-10 → 2026-04-12 · 3 obs

○ 2016-07-14 09:08:44
● 2026-03-10 05:45:50
● 2026-04-12 03:28:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net...	-
cobcourses.com	ns31.domaincontrol.com, ns32.domaincontrol.com	4 records

✅ Authoritative Response

Server:173.201.73.16

NS records: ns31.domaincontrol.com, ns32.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cobcourses.com (unsigned zone)

⏱️ Timing

Total: 125ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`94.136.40.51`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns31.domaincontrol.com, ns31.domaincontrol.com, ns32.domaincontrol.com...)

Analysis

IP Addresses

mail.cobcourses.com resolves to one IP number: 94.136.40.51.

other host names including sharratt.group, pinkinsure.com, mail.thecarparts.co.uk, cognitaskills.info and wsglondon.com share IP numbers with mail.cobcourses.com.

mail.cobcourses.com - robtex.com