`ngdvdcourses.org`

DNSSEC	⚠️ Not signed
A	75.2.26.191^{🇺🇸 Amazon75.2.16.0/20}
		PTR	`acb31c90855004c36.awsglobalaccelerator.com`
A	99.83.251.4^{🇺🇸 Amazon99.83.240.0/20}
NS	`ns112.twdcns.org` ⭐
		A	2600:9000:5304:2f00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1071.awsdns-05.org`
		A	205.251.196.47^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1071.awsdns-05.org`
NS	`ns112.twdcns.co.uk`
		A	2600:9000:5307:3800::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1848.awsdns-39.co.uk`
		A	205.251.199.56^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1848.awsdns-39.co.uk`
NS	`ns112.twdcns.com`
		A	2600:9000:5300:a300::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-163.awsdns-20.com`
		A	205.251.192.163^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-163.awsdns-20.com`
NS	`ns112.twdcns.net`
		A	2600:9000:5302:9300::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-659.awsdns-18.net`
		A	205.251.194.147^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-659.awsdns-18.net`
SOA	`ns112.twdcns.org`awsdns-hostmaster@amazon.com serial=1

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org` ⚠️ Not in parent delegation
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1775967509

Same first word

ngdvdcourses.org

DNS History

6 records (6 active, 0 former)

●NSns112.twdcns.co.uk2026-04-09 → 2026-04-12 · 2 obs

● 2026-04-09 11:27:10
● 2026-04-12 04:52:02

●NSns112.twdcns.com2026-04-09 → 2026-04-12 · 2 obs

● 2026-04-09 11:27:10
● 2026-04-12 04:52:02

●NSns112.twdcns.net2026-04-09 → 2026-04-12 · 2 obs

● 2026-04-09 11:27:10
● 2026-04-12 04:52:02

●NSns112.twdcns.org2026-04-09 → 2026-04-12 · 2 obs

● 2026-04-09 11:27:10
● 2026-04-12 04:52:02

●A75.2.26.1912026-04-09 → 2026-04-12 · 2 obs

● 2026-04-09 11:27:10
● 2026-04-12 04:52:02

●A99.83.251.42026-04-09 → 2026-04-12 · 2 obs

● 2026-04-09 11:27:10
● 2026-04-12 04:52:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
ngdvdcourses.org	ns112.twdcns.org, ns112.twdcns.co.uk, ns112.twdcns.com, ns112.twdcns.net	1 record

✅ Authoritative Response

Server:205.251.199.56

NS records: ns112.twdcns.org, ns112.twdcns.co.uk, ns112.twdcns.com, ns112.twdcns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ngdvdcourses.org (unsigned zone)

⏱️ Timing

Total: 291ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`75.2.26.191, 99.83.251.4`
NS	4	`ns112.twdcns.co.uk, ns112.twdcns.com...`
SOA	1	`ns112.twdcns.org awsdns-hostmaster.amazo`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns112.twdcns.org)

Analysis

IP Addresses

ngdvdcourses.org resolves to two IPs: 75.2.26.191 and 99.83.251.4.

other host names for instance standwithdramani.com, seaofshadows.film, national-geographic.org, joseandres.film and nationalgeographicadventures.com share IP numbers with ngdvdcourses.org.

Name Servers

ngdvdcourses.org is delegated to four name servers: ns112.twdcns.com, ns112.twdcns.net, ns112.twdcns.org and ns112.twdcns.co.uk.

ngdvdcourses.org at least partially shares name servers with other domains, for instance subscribengkids.com, natgeoexpeditions.jp, readyornotfilm.de, globaladrenaline.com and thetestamentofannlee.de.

Host names with two IP numbers:

Host name ns112.twdcns.com points to: 2600:9000:5300:a300::1 and 205.251.192.163.

Host name ns112.twdcns.net points to: 2600:9000:5302:9300::1 and 205.251.194.147.

Host name ns112.twdcns.org points to: 2600:9000:5304:2f00::1 and 205.251.196.47.

Host name ns112.twdcns.co.uk points to: 2600:9000:5307:3800::1 and 205.251.199.56.

ngdvdcourses.org - robtex.com