`helpdesktrainingcourses.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:2848^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:b535^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.40.72^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.181.53^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ns1.ubmdns.com` ⭐
		A	2400:cb00:2049:1::a29f:d0^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
			PTR	`ns1.ubmdns.com`
		A	162.159.0.208^{Cloudflare162.159.0.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.ubmdns.com`
		A	2400:cb00:2049:1::a29f:1d0^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
			PTR	`ns2.ubmdns.com`
		A	162.159.1.208^{Cloudflare162.159.1.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.ubmdns.com`
TXT	`v=spf1 mx include:spf.ubm-us.net -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.40.72, 172.67.181.53
		IPv6 hints	2606:4700:3031::6815:2848, 2606:4700:3035::ac43:b535
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=228, name=cloudflare-ech.com
SOA	`ns1.ubmdns.com`dns@cloudflare.com serial=2410944784

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785506992

Same first word

helpdesktrainingcourses.com

DNS History

15 records (6 active, 9 former)

○NSns1.ubm-us.net2015-06-06 → 2016-09-24 · 4 obs

● 2015-06-06 15:51:10
● 2016-09-24 11:28:26
○ 2017-11-26 04:53:24
○ 2026-07-31 14:25:22

●NSns1.ubmdns.com2026-07-13 → 2026-07-31 · 3 obs

○ 2017-11-26 04:53:24
● 2026-07-13 11:08:48
● 2026-07-31 14:25:22

○NSns1.ubmits.com2017-11-26 → 2017-11-26 · 4 obs

○ 2016-09-24 11:28:26
● 2017-11-26 04:53:24
○ 2026-07-13 11:08:48
○ 2026-07-31 14:25:22

○NSns2.ubm-us.net2015-06-06 → 2016-09-24 · 4 obs

● 2015-06-06 15:51:10
● 2016-09-24 11:28:26
○ 2017-11-26 04:53:24
○ 2026-07-31 14:25:22

●NSns2.ubmdns.com2026-07-13 → 2026-07-31 · 3 obs

○ 2017-11-26 04:53:24
● 2026-07-13 11:08:48
● 2026-07-31 14:25:22

○NSns2.ubmits.com2017-11-26 → 2017-11-26 · 4 obs

○ 2016-09-24 11:28:26
● 2017-11-26 04:53:24
○ 2026-07-13 11:08:48
○ 2026-07-31 14:25:22

○NSns3.ubm-us.net2015-06-06 → 2016-09-24 · 4 obs

● 2015-06-06 15:51:10
● 2016-09-24 11:28:26
○ 2017-11-26 04:53:24
○ 2026-07-31 14:25:22

○NSns3.ubmits.com2017-11-26 → 2017-11-26 · 4 obs

○ 2016-09-24 11:28:26
● 2017-11-26 04:53:24
○ 2026-07-13 11:08:48
○ 2026-07-31 14:25:22

○MXmail1.ubm-us.net2015-06-06 → 2017-11-26 · 4 obs

● 2015-06-06 15:51:10
● 2017-11-26 04:53:24
○ 2026-07-13 11:08:48
○ 2026-07-31 14:25:22

●A104.21.40.722026-07-13 → 2026-07-31 · 3 obs

○ 2017-11-26 04:53:24
● 2026-07-13 11:08:48
● 2026-07-31 14:25:22

●A172.67.181.532026-07-13 → 2026-07-31 · 3 obs

○ 2017-11-26 04:53:24
● 2026-07-13 11:08:48
● 2026-07-31 14:25:22

○A192.155.48.932015-06-06 → 2017-11-26 · 4 obs

● 2015-06-06 15:51:10
● 2017-11-26 04:53:24
○ 2026-07-13 11:08:48
○ 2026-07-31 14:25:22

●A2606:4700:3031::6815:28482026-07-13 → 2026-07-31 · 3 obs

○ 2017-11-26 04:53:24
● 2026-07-13 11:08:48
● 2026-07-31 14:25:22

●A2606:4700:3035::ac43:b5352026-07-13 → 2026-07-31 · 3 obs

○ 2017-11-26 04:53:24
● 2026-07-13 11:08:48
● 2026-07-31 14:25:22

○A2620:103::192:155:48:932015-06-06 → 2017-11-26 · 4 obs

● 2015-06-06 15:51:10
● 2017-11-26 04:53:24
○ 2026-07-13 11:08:48
○ 2026-07-31 14:25:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net...	-
helpdesktrainingcourses.com	ns1.ubmdns.com, ns2.ubmdns.com	2 records

✅ Authoritative Response

Server:162.159.1.208

NS records: ns1.ubmdns.com, ns2.ubmdns.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 123ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.181.53, 104.21.40.72`
AAAA	2	`2606:4700:3035::ac43:b535, 2606:4700:3031::6815:2848`
NS	2	`ns1.ubmdns.com, ns2.ubmdns.com`
TXT	1	`v=spf1 mx include:spf.ubm-us.net -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ns1.ubmdns.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

helpdesktrainingcourses.com resolves to four IP addresses: 104.21.40.72, 172.67.181.53, 2606:4700:3031::6815:2848 and 2606:4700:3035::ac43:b535.

Additional host names — mret.northstreetumc.org, sip.univarcorp.com, garaslalomeo.com and two others — share IP numbers with helpdesktrainingcourses.com.

Name Servers

The NS records for helpdesktrainingcourses.com delegate to ns1.ubmdns.com and ns2.ubmdns.com.

helpdesktrainingcourses.com shares its name server setup with other domains, including bitc-responsible-business.com, themarketingexpo.co.uk, etggroup.co.uk and two others.

ns1.ubmdns.com resolves to 162.159.0.208 and 2400:cb00:2049:1::a29f:d0. Likewise, ns2.ubmdns.com resolves to 162.159.1.208 and 2400:cb00:2049:1::a29f:1d0 — two IP addresses apiece.

helpdesktrainingcourses.com - robtex.com