`greatinstruction.com`

DNSSEC	⚠️ Not signed
A	3.33.251.168^{🇺🇸 Amazon3.33.240.0/20}
		PTR	`aec037177372cc6cd.awsglobalaccelerator.com`
A	15.197.225.128^{🇺🇸 Amazon15.197.224.0/20}
NS	`ns19.domaincontrol.com` ⭐
		A	2603:5:21d0::a^{🇺🇸 GODADDY-DNS2603:5:21d0::/44}
			PTR	`ns19.domaincontrol.com`
		A	97.74.109.10^{🇺🇸 GODADDY-DNS97.74.108.0/23}
			PTR	`ns19.domaincontrol.com`
NS	`ns20.domaincontrol.com`
		A	2603:5:22d0::a^{🇺🇸 GODADDY-DNS2603:5:22d0::/44}
			PTR	`ns20.domaincontrol.com`
		A	173.201.77.10^{🇺🇸 GODADDY-DNS173.201.76.0/23}
			PTR	`ns20.domaincontrol.com`
SOA	`ns19.domaincontrol.com`dns@jomax.net 2026-03-03 #8

`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=1771291435

Subdomains

wireless-wifi-range-extender.greatinstruction.com

Same first word

greatinstruction.com

DNS History

9 records (4 active, 5 former)

○NSns.buydomains.com2015-08-17 → 2017-12-20 · 5 obs

○ 2008-11-17 11:56:46
● 2015-08-17 13:21:02
● 2017-12-20 09:29:46
○ 2026-03-04 09:41:26
○ 2026-03-23 19:00:30

○NSns1.parked.com2008-11-17 → 2008-11-17 · 3 obs

● 2008-11-17 11:56:46
○ 2015-08-17 13:21:02
○ 2026-03-23 19:00:30

●NSns19.domaincontrol.com2026-03-04 → 2026-03-23 · 3 obs

○ 2017-12-20 09:29:46
● 2026-03-04 09:41:26
● 2026-03-23 19:00:30

○NSns2.parked.com2008-11-17 → 2008-11-17 · 3 obs

● 2008-11-17 11:56:46
○ 2015-08-17 13:21:02
○ 2026-03-23 19:00:30

●NSns20.domaincontrol.com2026-03-04 → 2026-03-23 · 3 obs

○ 2017-12-20 09:29:46
● 2026-03-04 09:41:26
● 2026-03-23 19:00:30

●A15.197.225.1282026-03-04 → 2026-03-23 · 3 obs

○ 2017-12-20 09:29:46
● 2026-03-04 09:41:26
● 2026-03-23 19:00:30

○A207.148.248.1432015-08-17 → 2017-12-20 · 5 obs

○ 2008-11-17 11:56:46
● 2015-08-17 13:21:02
● 2017-12-20 09:29:46
○ 2026-03-04 09:41:26
○ 2026-03-23 19:00:30

●A3.33.251.1682026-03-04 → 2026-03-23 · 3 obs

○ 2017-12-20 09:29:46
● 2026-03-04 09:41:26
● 2026-03-23 19:00:30

○A69.46.228.1732008-11-17 → 2008-11-17 · 3 obs

● 2008-11-17 11:56:46
○ 2015-08-17 13:21:02
○ 2026-03-23 19:00:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
greatinstruction.com	ns19.domaincontrol.com, ns20.domaincontrol.com	4 records

✅ Authoritative Response

Server:97.74.109.10

NS records: ns19.domaincontrol.com, ns20.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for greatinstruction.com (unsigned zone)

⏱️ Timing

Total: 145ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`15.197.225.128, 3.33.251.168`
NS	2	`ns19.domaincontrol.com, ns20.domaincontrol.com`
SOA	1	`ns19.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns19.domaincontrol.com, ns19.domaincontrol.com, ns20.domaincontrol.com...)

Analysis

Hierarchy

greatinstruction.com is parent of wireless-wifi-range-extender.greatinstruction.com.

IP Addresses

greatinstruction.com points to two IP numbers: 3.33.251.168 and 15.197.225.128.

Other host names, for instance forsave.com, seedland.us, devpod.com, pish-radif.com and carrierebecca.com share IP numbers with greatinstruction.com.

Name Servers

greatinstruction.com's delegation is to two name servers ns19.domaincontrol.com and ns20.domaincontrol.com.

greatinstruction.com shares the same name server configuration as other domains, such as buzzwits.net, pluggedpipe.com, stevetv.ca, movetracker.com and terralever.com.

greatinstruction.com shares name servers with other domains at least partially, for example napatv.org.

Host names with two IP numbers: ns19.domaincontrol.com points to 2603:5:21d0::a and 97.74.109.10; ns20.domaincontrol.com points to 2603:5:22d0::a and 173.201.77.10

greatinstruction.com - robtex.com