`changehigherlearning.com`

DNSSEC	⚠️ Not signed
A	208.91.197.27^{🇻🇬 CONFLUENCE-NETWORK-INC}
		PTR	`ip-208-91-197-27.defastlink.net`
		PTR	`208.91.197-27.confluence-networks.com`
NS	`ns1.dnsbycomodo.net` ⭐
		A	2610:1c8:b001::1^{🇺🇸 AS23393}
			PTR	`ns1.nudns.com`
		A	199.167.66.21^{🇺🇸 AS23393}
NS	`ns2.dnsbycomodo.net`
		A	2610:1c8:b002::1^{🇺🇸 AS23393}
			PTR	`ns2.nudns.com`
		A	199.167.66.22^{🇺🇸 AS23393}
NS	`ns45.worldnic.com` ⚠️ Not in zone NS records
		A	162.159.26.111^Cloudflare
			PTR	`ip-162-159-26-111.defastlink.net`
NS	`ns46.worldnic.com` ⚠️ Not in zone NS records
		A	162.159.27.50^Cloudflare
			PTR	`ip-162-159-27-50.defastlink.net`
SOA	`ns1.dnsbycomodo.net`admin@dns.com 2015-06-24 #13

`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

Same first word

changehigherlearning.com

DNS History

6 records (5 active, 1 former)

●NSns1.dnsbycomodo.net2017-10-10 → 2026-02-21 · 3 obs

○ 2016-12-16 23:07:56
● 2017-10-10 07:41:32
● 2026-02-21 20:46:08

●NSns2.dnsbycomodo.net2017-10-10 → 2026-02-21 · 3 obs

○ 2016-12-16 23:07:56
● 2017-10-10 07:41:32
● 2026-02-21 20:46:08

●NSns45.worldnic.com2016-12-16 → 2026-02-21 · 2 obs

● 2016-12-16 23:07:56
● 2026-02-21 20:46:08

●NSns46.worldnic.com2016-12-16 → 2026-02-21 · 3 obs

● 2016-12-16 23:07:56
○ 2017-10-10 07:41:32
● 2026-02-21 20:46:08

○MXp.webcom.ctmail.com2016-12-16 → 2016-12-16 · 3 obs

● 2016-12-16 23:07:56
○ 2017-10-10 07:41:32
○ 2026-02-21 20:46:08

●A208.91.197.272016-12-16 → 2026-02-21 · 2 obs

● 2016-12-16 23:07:56
● 2026-02-21 20:46:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, k.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net...	-
changehigherlearning.com	ns45.worldnic.com, ns46.worldnic.com, ns1.dnsbycomodo.net, ns2.dnsbycomodo.net	2 records

✅ Authoritative Response

Server: 162.159.26.111

NS records: ns45.worldnic.com, ns46.worldnic.com, ns1.dnsbycomodo.net, ns2.dnsbycomodo.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for changehigherlearning.com (unsigned zone)

⏱️ Timing

Total: 587ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`208.91.197.27`
NS	2	`ns45.worldnic.com, ns46.worldnic.com`
SOA	1	`NS45.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns45.worldnic.com, ns46.worldnic.com)

AI analysis

changehigherlearning.com resolves to one IP number: 208.91.197.27.

other host names including saludatec.com, cassidyturley.co, opensdr.org, bladesrm.com and gpes.org share IP numbers with changehigherlearning.com.

changehigherlearning.com is delegated to four name servers: ns45.worldnic.com, ns46.worldnic.com, ns1.dnsbycomodo.net and ns2.dnsbycomodo.net.

changehigherlearning.com at least partially shares name servers with other domains, for instance dd-975.com, mortoncorp.com, cvo.org, mountainsideconsulting.us and anacom-medtek.com.

These name servers are commonly used alongside ns3.dnsbycomodo.net and ns4.dnsbycomodo.net.

Host names with two IP numbers:

ns1.dnsbycomodo.net points to 2610:1c8:b001::1 and 199.167.66.21; ns2.dnsbycomodo.net points to 2610:1c8:b002::1 and 199.167.66.22.

Host names with one IP number:

ns45.worldnic.com points to 162.159.26.111; ns46.worldnic.com points to 162.159.27.50.

changehigherlearning.com - robtex.com