`learningsystemdesign.com`

DNSSEC	⚠️ Not signed
A	208.72.3.18^{🇺🇸 ENTERHOST208.72.3.0/24}
		PTR	`18.208-72-3.reverse.enterhost.com`
NS	`ns99.worldnic.com` ⭐
		A	162.159.26.217^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns100.worldnic.com`
		A	162.159.27.155^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`NS99.WORLDNIC.com`namehost@WORLDNIC.com serial=107030213

`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=1775984962

Same first word

learningsystemdesign.com

DNS History

4 records (3 active, 1 former)

●NSns100.worldnic.com2015-06-13 → 2026-04-12 · 2 obs

● 2015-06-13 23:12:32
● 2026-04-12 09:14:06

●NSns99.worldnic.com2015-06-13 → 2026-04-12 · 2 obs

● 2015-06-13 23:12:32
● 2026-04-12 09:14:06

○MXp.webcom.ctmail.com2016-01-27 → 2018-06-02 · 4 obs

● 2016-01-27 06:45:02
● 2018-06-02 18:11:08
○ 2026-03-17 01:16:10
○ 2026-04-12 09:14:06

●A208.72.3.182015-06-13 → 2026-04-12 · 2 obs

● 2015-06-13 23:12:32
● 2026-04-12 09:14:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
learningsystemdesign.com	ns99.worldnic.com, ns100.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.27.155

NS records: ns99.worldnic.com, ns100.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for learningsystemdesign.com (unsigned zone)

⏱️ Timing

Total: 158ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`208.72.3.18`
NS	2	`ns99.worldnic.com, ns100.worldnic.com`
SOA	1	`NS99.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns99.worldnic.com, ns100.worldnic.com)

Analysis

IP Addresses

learningsystemdesign.com points to IP number: 208.72.3.18.

Other host names such as alesys.com, alesys.org, appliedlearningsystems.info, 18.208-72-3.reverse.enterhost.com and alesys.biz share IPs with learningsystemdesign.com.

Name Servers

learningsystemdesign.com is delegated to two name servers: ns100.worldnic.com and ns99.worldnic.com.

learningsystemdesign.com shares the same name server setup as captrade.com, tricorealty.com, providencebanktx.com, pinellascoastalhomesearch.com and bhgis.org.

Host names with a single IP:

ns100.worldnic.com points to 162.159.27.155.

ns99.worldnic.com points to 162.159.26.217.

learningsystemdesign.com - robtex.com