`columbuslearning.com`

DNSSEC	⚠️ Not signed
A	54.215.31.113^{🇺🇸 Amazon54.215.0.0/17 EC2 SFO prefix}
		PTR	`ec2-54-215-31-113.us-west-1.compute.amazonaws.com`
NS	`ns1.dyna-ns.net` ⭐
		A	2400:cb00:2049:1::a29f:1a5c^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1b9e^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.26.92^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.dyna-ns.net`
		A	162.159.27.158^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.dyna-ns.net`
NS	`ns2.dyna-ns.net`
		A	2400:cb00:2049:1::a29f:1805^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1905^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.24.5^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.dyna-ns.net`
		A	162.159.25.5^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.dyna-ns.net`
SOA	`ns1.dyna-ns.net`hostmaster@columbuslearning.com 2026-04-10 #2

`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=1778446961

Same first word

columbuslearning.com

DNS History

3 records (3 active, 0 former)

●NSns1.dyna-ns.net2026-04-18 → 2026-05-10 · 2 obs

● 2026-04-18 03:02:28
● 2026-05-10 21:13:08

●NSns2.dyna-ns.net2026-04-18 → 2026-05-10 · 2 obs

● 2026-04-18 03:02:28
● 2026-05-10 21:13:08

●A54.215.31.1132026-04-18 → 2026-05-10 · 2 obs

● 2026-04-18 03:02:28
● 2026-05-10 21:13:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net, m.gtld-servers.net...	-
columbuslearning.com	ns2.dyna-ns.net, ns1.dyna-ns.net	-

✅ Authoritative Response

Server:162.159.25.5

NS records: ns2.dyna-ns.net, ns1.dyna-ns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for columbuslearning.com (unsigned zone)

⏱️ Timing

Total: 2331ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.215.31.113`
NS	2	`ns2.dyna-ns.net, ns1.dyna-ns.net`
SOA	1	`ns1.dyna-ns.net hostmaster.columbuslearn`

Analysis

IP Addresses

columbuslearning.com points to an IP address: 54.215.31.113.

other host names include www.cgt.in, linux-academy.com, www.chelseashoes.com, viscosolutions.com and knistr.com; they share IP numbers with columbuslearning.com.

Name Servers

Two name servers ns1.dyna-ns.net and ns2.dyna-ns.net handle the delegation for columbuslearning.com.

columbuslearning.com shares the same name server setup as other domains, for instance leasin.com, clubeddy.com, 6xdesigns.com, dcm.org and gonoblamail.com.

Host names with four IP numbers:

ns1.dyna-ns.net points to: 2400:cb00:2049:1::a29f:1a5c, 2400:cb00:2049:1::a29f:1b9e, 162.159.26.92 and 162.159.27.158.

ns2.dyna-ns.net points to: 2400:cb00:2049:1::a29f:1805, 2400:cb00:2049:1::a29f:1905, 162.159.24.5 and 162.159.25.5.

columbuslearning.com - robtex.com