`cognitiveanalyst.com`

DNSSEC	⚠️ Not signed
A	72.163.4.154^{🇺🇸 ASNTTCISCO72.163.4.0/24 170 West Tasman Drive San Jose CA 95134 United States}
		PTR	`redirect.cisco.com`
NS	`ns1.cisco.com` ⭐
		A	2001:420:1101:6::a^{🇺🇸 ASNTTCISCO2001:420:1100::/41 170 West Tasman Drive San Jose CA 95134 United States}
			PTR	`ns1.cisco.com`
		A	72.163.5.201^{🇺🇸 ASNTTCISCO72.163.0.0/18 170 West Tasman Drive San Jose CA 95134 United States}
			PTR	`ns1.cisco.com`
NS	`ns2.cisco.com`
		A	2001:420:2041:5000::a^{🇺🇸 ASNTTCISCO2001:420:2000::/35 170 West Tasman Drive San Jose CA 95134 United States}
			PTR	`ns2.cisco.com`
		A	64.102.255.44^{🇺🇸 ASNTTCISCO64.102.0.0/16 170 West Tasman Drive San Jose CA 95134 United States}
			PTR	`ns2.cisco.com`
NS	`ns3.cisco.com`
		A	2001:420:1201:7::a^{🇺🇸 ASNTTCISCO2001:420:1200::/41 170 West Tasman Drive San Jose CA 95134 United States}
			PTR	`ns3.cisco.com`
		A	173.37.146.41^{🇺🇸 ASNTTCISCO173.37.128.0/19 170 West Tasman Drive San Jose CA 95134 United States}
			PTR	`ns3.cisco.com`
SOA	`ns1.cisco.com`postmaster@cisco.com serial=3

`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=1775121332

Same first word

cognitiveanalyst.com

DNS History

6 records (4 active, 2 former)

○NSedns-aln1-1-l2017-03-25 → 2017-03-25 · 4 obs

○ 2016-07-10 08:41:52
● 2017-03-25 06:13:30
○ 2020-01-26 11:37:28
○ 2026-04-02 09:21:28

○NSedns-aln1-1-l.cisco.com2015-07-10 → 2016-07-10 · 4 obs

● 2015-07-10 13:18:16
● 2016-07-10 08:41:52
○ 2017-03-25 06:13:30
○ 2026-04-02 09:21:28

●NSns1.cisco.com2015-07-10 → 2026-04-02 · 2 obs

● 2015-07-10 13:18:16
● 2026-04-02 09:21:28

●NSns2.cisco.com2015-07-10 → 2026-04-02 · 2 obs

● 2015-07-10 13:18:16
● 2026-04-02 09:21:28

●NSns3.cisco.com2015-07-10 → 2026-04-02 · 2 obs

● 2015-07-10 13:18:16
● 2026-04-02 09:21:28

●A72.163.4.1542015-07-10 → 2026-04-02 · 2 obs

● 2015-07-10 13:18:16
● 2026-04-02 09:21:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net...	-
cognitiveanalyst.com	ns1.cisco.com, ns2.cisco.com, ns3.cisco.com	6 records

✅ Authoritative Response

Server:64.102.255.44

NS records: ns1.cisco.com, ns2.cisco.com, ns3.cisco.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cognitiveanalyst.com (unsigned zone)

⏱️ Timing

Total: 123ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`72.163.4.154`
NS	3	`ns3.cisco.com, ns2.cisco.com...`
SOA	1	`ns1.cisco.com postmaster.cisco.com`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.cisco.com, ns1.cisco.com, ns2.cisco.com...)

Analysis

IP Addresses

cognitiveanalyst.com points to an IP address: 72.163.4.154.

other host names include cisco.jp, cisco.net.tt, www.cisco.nl, cisco.lc.it and cisco.org.ag; they share IP numbers with cognitiveanalyst.com.

Name Servers

cognitiveanalyst.com is delegated to three name servers ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.

cognitiveanalyst.com at least partially shares name servers with other domains, for instance sentryo.hk, datacentreethernet.biz, ciscostore.org, cliqr.com and cisco4me.com.

Host names with two IP numbers:

ns1.cisco.com points to 2001:420:1101:6::a and 72.163.5.201; ns2.cisco.com points to 2001:420:2041:5000::a and 64.102.255.44; ns3.cisco.com points to 2001:420:1201:7::a and 173.37.146.41.

cognitiveanalyst.com - robtex.com