`knowledgehorizon.com`

DNSSEC	⚠️ Not signed
A	172.208.89.18^{🇺🇸 Microsoft172.208.0.0/13}
NS	`ns1-09.azure-dns.com` ⭐
		A	2603:1061:0:700::9^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-09.azure-dns.com`
		A	13.107.236.9^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-09.azure-dns.com`
NS	`ns2-09.azure-dns.net`
		A	2620:1ec:8ec:700::9^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-09.azure-dns.net`
		A	150.171.21.9^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-09.azure-dns.net`
NS	`ns3-09.azure-dns.org`
		A	2a01:111:4000:700::9^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-09.azure-dns.org`
		A	204.14.183.9^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-09.azure-dns.org`
NS	`ns4-09.azure-dns.info`
		A	2620:1ec:bda:700::9^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-09.azure-dns.info`
		A	208.84.5.9^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-09.azure-dns.info`
MX	`mx1c28.carrierzone.com` ⭐
		A	66.226.70.78^{🇨🇦 INFB66.226.64.0/21 619A Kumpf Drive Waterloo ON N2V 1K8 Canada}
			PTR	`mx1c28.carrierzone.com`
MX	`mx2c28.carrierzone.com`⁽¹⁰⁰⁾
		A	66.226.70.79^{🇨🇦 INFB66.226.64.0/21 619A Kumpf Drive Waterloo ON N2V 1K8 Canada}
			PTR	`mx2c28.carrierzone.com`
MX	`mx3c28.carrierzone.com`⁽¹¹⁰⁾
		A	66.226.70.72^{🇨🇦 INFB66.226.64.0/21 619A Kumpf Drive Waterloo ON N2V 1K8 Canada}
			PTR	`mx3c28.carrierzone.com`
MX	`mx4c28.carrierzone.com`⁽¹²⁰⁾
		A	66.226.70.73^{🇨🇦 INFB66.226.64.0/21 619A Kumpf Drive Waterloo ON N2V 1K8 Canada}
			PTR	`mx4c28.carrierzone.com`
SOA	`ns1-09.azure-dns.com`azuredns-hostmaster@microsoft.com serial=1

`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=1778752996

Same first word

knowledgehorizon.com

DNS History

18 records (9 active, 9 former)

○NSdns.stabletransit.com2015-08-15 → 2017-05-31 · 4 obs

● 2015-08-15 14:40:44
● 2017-05-31 05:55:12
○ 2026-02-19 14:33:08
○ 2026-05-14 10:08:52

○NSdns1.stabletransit.com2015-08-15 → 2017-05-31 · 4 obs

● 2015-08-15 14:40:44
● 2017-05-31 05:55:12
○ 2026-02-19 14:33:08
○ 2026-05-14 10:08:52

○NSdns2.stabletransit.com2015-08-15 → 2017-05-31 · 4 obs

● 2015-08-15 14:40:44
● 2017-05-31 05:55:12
○ 2026-02-19 14:33:08
○ 2026-05-14 10:08:52

●NSns1-09.azure-dns.com2026-02-19 → 2026-05-14 · 3 obs

○ 2017-05-31 05:55:12
● 2026-02-19 14:33:08
● 2026-05-14 10:08:52

●NSns2-09.azure-dns.net2026-02-19 → 2026-05-14 · 3 obs

○ 2017-05-31 05:55:12
● 2026-02-19 14:33:08
● 2026-05-14 10:08:52

●NSns3-09.azure-dns.org2026-02-19 → 2026-05-14 · 3 obs

○ 2017-05-31 05:55:12
● 2026-02-19 14:33:08
● 2026-05-14 10:08:52

●NSns4-09.azure-dns.info2026-02-19 → 2026-05-14 · 3 obs

○ 2017-05-31 05:55:12
● 2026-02-19 14:33:08
● 2026-05-14 10:08:52

●MXmx1c28.carrierzone.com2026-02-19 → 2026-05-14 · 3 obs

○ 2017-05-31 05:55:12
● 2026-02-19 14:33:08
● 2026-05-14 10:08:52

○MXmx1c28.concentric.com2015-08-15 → 2017-05-31 · 4 obs

● 2015-08-15 14:40:44
● 2017-05-31 05:55:12
○ 2026-02-19 14:33:08
○ 2026-05-14 10:08:52

●MXmx2c28.carrierzone.com2026-02-19 → 2026-05-14 · 3 obs

○ 2017-05-31 05:55:12
● 2026-02-19 14:33:08
● 2026-05-14 10:08:52

○MXmx2c28.concentric.com2015-08-15 → 2017-05-31 · 4 obs

● 2015-08-15 14:40:44
● 2017-05-31 05:55:12
○ 2026-02-19 14:33:08
○ 2026-05-14 10:08:52

●MXmx3c28.carrierzone.com2026-02-19 → 2026-05-14 · 3 obs

○ 2017-05-31 05:55:12
● 2026-02-19 14:33:08
● 2026-05-14 10:08:52

○MXmx3c28.concentric.com2015-08-15 → 2017-05-31 · 4 obs

● 2015-08-15 14:40:44
● 2017-05-31 05:55:12
○ 2026-02-19 14:33:08
○ 2026-05-14 10:08:52

●MXmx4c28.carrierzone.com2026-02-19 → 2026-05-14 · 3 obs

○ 2017-05-31 05:55:12
● 2026-02-19 14:33:08
● 2026-05-14 10:08:52

○MXmx4c28.concentric.com2015-08-15 → 2017-05-31 · 4 obs

● 2015-08-15 14:40:44
● 2017-05-31 05:55:12
○ 2026-02-19 14:33:08
○ 2026-05-14 10:08:52

○A104.130.220.392017-05-31 → 2017-05-31 · 4 obs

○ 2016-05-30 19:05:22
● 2017-05-31 05:55:12
○ 2026-02-19 14:33:08
○ 2026-05-14 10:08:52

●A172.208.89.182026-02-19 → 2026-05-14 · 3 obs

○ 2017-05-31 05:55:12
● 2026-02-19 14:33:08
● 2026-05-14 10:08:52

○A184.106.114.1362015-08-15 → 2016-05-30 · 4 obs

● 2015-08-15 14:40:44
● 2016-05-30 19:05:22
○ 2017-05-31 05:55:12
○ 2026-05-14 10:08:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net...	-
knowledgehorizon.com	ns1-09.azure-dns.com, ns2-09.azure-dns.net, ns3-09.azure-dns.org, ns4-09.azure-dns.info	2 records

✅ Authoritative Response

Server:204.14.183.9

NS records: ns1-09.azure-dns.com, ns2-09.azure-dns.net, ns3-09.azure-dns.org, ns4-09.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledgehorizon.com (unsigned zone)

⏱️ Timing

Total: 2623ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`172.208.89.18`
NS	4	`ns1-09.azure-dns.com, ns2-09.azure-dns.net...`
MX	4	`mx1c28.carrierzone.com (pri: 10), mx2c28.carrierzone.com (pri: 100)...`
SOA	1	`ns1-09.azure-dns.com azuredns-hostmaster`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-09.azure-dns.com, ns1-09.azure-dns.com)

Analysis

IP Addresses

knowledgehorizon.com resolves to a single IP address: 172.208.89.18.

Other host names, for instance maenqt.com, share IP numbers with knowledgehorizon.com.

Name Servers

knowledgehorizon.com is delegated to four name servers: ns1-09.azure-dns.com, ns4-09.azure-dns.info, ns2-09.azure-dns.net and ns3-09.azure-dns.org.

knowledgehorizon.com at least partially shares name servers with other domains, including atsconnect.com, asciano.com, bigstop.it, grabule.com and jccsf.org.