`knowledge-blocks.com`

DNSSEC	⚠️ Not signed
A	157.55.214.185^{🇺🇸 Microsoft157.55.0.0/16}
NS	`ns1-08.azure-dns.com` ⭐
		A	2603:1061:0:700::8^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-08.azure-dns.com`
		A	13.107.236.8^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-08.azure-dns.com`
NS	`ns2-08.azure-dns.net`
		A	2620:1ec:8ec:700::8^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-08.azure-dns.net`
		A	150.171.21.8^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-08.azure-dns.net`
NS	`ns3-08.azure-dns.org`
		A	2a01:111:4000:700::8^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-08.azure-dns.org`
		A	204.14.183.8^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-08.azure-dns.org`
NS	`ns4-08.azure-dns.info`
		A	2620:1ec:bda:700::8^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-08.azure-dns.info`
		A	208.84.5.8^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-08.azure-dns.info`
TXT	`v=spf1 -all`
SOA	`ns1-08.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=1774566047

Same first word

knowledge-blocks.com

DNS History

11 records (5 active, 6 former)

●NSns1-08.azure-dns.com2026-03-26 → 2026-03-26 · 2 obs

○ 2018-07-22 22:12:12
● 2026-03-26 23:25:48

○NSns1.800ceoread.com2015-05-29 → 2018-07-22 · 3 obs

● 2015-05-29 16:18:28
● 2018-07-22 22:12:12
○ 2026-03-26 23:25:48

●NSns2-08.azure-dns.net2026-03-26 → 2026-03-26 · 2 obs

○ 2018-07-22 22:12:12
● 2026-03-26 23:25:48

○NSns2.800ceoread.com2015-05-29 → 2018-07-22 · 3 obs

● 2015-05-29 16:18:28
● 2018-07-22 22:12:12
○ 2026-03-26 23:25:48

●NSns3-08.azure-dns.org2026-03-26 → 2026-03-26 · 2 obs

○ 2018-07-22 22:12:12
● 2026-03-26 23:25:48

●NSns4-08.azure-dns.info2026-03-26 → 2026-03-26 · 2 obs

○ 2018-07-22 22:12:12
● 2026-03-26 23:25:48

○MXalt1.aspmx.l.google.com2015-05-29 → 2018-07-22 · 3 obs

● 2015-05-29 16:18:28
● 2018-07-22 22:12:12
○ 2026-03-26 23:25:48

○MXalt2.aspmx.l.google.com2015-05-29 → 2018-07-22 · 3 obs

● 2015-05-29 16:18:28
● 2018-07-22 22:12:12
○ 2026-03-26 23:25:48

○MXaspmx.l.google.com2015-05-29 → 2018-07-22 · 3 obs

● 2015-05-29 16:18:28
● 2018-07-22 22:12:12
○ 2026-03-26 23:25:48

○A12.145.166.112015-05-29 → 2018-07-22 · 3 obs

● 2015-05-29 16:18:28
● 2018-07-22 22:12:12
○ 2026-03-26 23:25:48

●A157.55.214.1852026-03-26 → 2026-03-26 · 2 obs

○ 2018-07-22 22:12:12
● 2026-03-26 23:25:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
knowledge-blocks.com	ns1-08.azure-dns.com, ns2-08.azure-dns.net, ns3-08.azure-dns.org, ns4-08.azure-dns.info	2 records

✅ Authoritative Response

Server:13.107.236.8

NS records: ns1-08.azure-dns.com, ns2-08.azure-dns.net, ns3-08.azure-dns.org, ns4-08.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledge-blocks.com (unsigned zone)

⏱️ Timing

Total: 98ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.55.214.185`
NS	4	`ns1-08.azure-dns.com, ns2-08.azure-dns.net...`
TXT	1	`v=spf1 -all`
SOA	1	`ns1-08.azure-dns.com azuredns-hostmaster`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-08.azure-dns.com, ns1-08.azure-dns.com)

Analysis

IP Addresses

knowledge-blocks.com points to a single IP number: 157.55.214.185.

other host names for instance changethis.com, 100bestbiz.com, myfavoritebizbook.com, 800ceoread.net and redirects.porchlightbooks.com share IP numbers with knowledge-blocks.com.

Name Servers

knowledge-blocks.com is delegated to four name servers: ns1-08.azure-dns.com, ns4-08.azure-dns.info, ns2-08.azure-dns.net and ns3-08.azure-dns.org.

knowledge-blocks.com at least partially shares name servers with other domains, for instance tokai.ac.jp, morphee.ai, corporatemall.com, motorimage.net and 145.92.20.in-addr.arpa.

Host names with two IP numbers:

Host name ns1-08.azure-dns.com points to: 2603:1061:0:700::8 and 13.107.236.8.

Host name ns4-08.azure-dns.info points to: 2620:1ec:bda:700::8 and 208.84.5.8.

Host name ns2-08.azure-dns.net points to: 2620:1ec:8ec:700::8 and 150.171.21.8.

Host name ns3-08.azure-dns.org points to: 2a01:111:4000:700::8 and 204.14.183.8.

knowledge-blocks.com - robtex.com