`ciscoresearch.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=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=1775101187

Same first word

ciscoresearch.com

DNS History

6 records (4 active, 2 former)

○NSedns-aln1-1-l2017-02-19 → 2017-02-19 · 4 obs

○ 2016-05-29 13:28:46
● 2017-02-19 09:49:02
○ 2018-09-16 17:01:48
○ 2026-04-02 04:06:46

○NSedns-aln1-1-l.cisco.com2015-07-18 → 2016-05-29 · 4 obs

● 2015-07-18 15:36:16
● 2016-05-29 13:28:46
○ 2017-02-19 09:49:02
○ 2026-04-02 04:06:46

●NSns1.cisco.com2015-07-18 → 2026-04-02 · 2 obs

● 2015-07-18 15:36:16
● 2026-04-02 04:06:46

●NSns2.cisco.com2015-07-18 → 2026-04-02 · 2 obs

● 2015-07-18 15:36:16
● 2026-04-02 04:06:46

●NSns3.cisco.com2015-07-18 → 2026-04-02 · 2 obs

● 2015-07-18 15:36:16
● 2026-04-02 04:06:46

●A72.163.4.1542015-07-18 → 2026-04-02 · 2 obs

● 2015-07-18 15:36:16
● 2026-04-02 04:06:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ciscoresearch.com	ns1.cisco.com, ns2.cisco.com, ns3.cisco.com	6 records

✅ Authoritative Response

Server:173.37.146.41

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ciscoresearch.com (unsigned zone)

⏱️ Timing

Total: 178ms | Queries: -

📄 Records

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

ciscoresearch.com maps to IP address 72.163.4.154.

Other host names, for instance cisco.net.tt, www.cisco.nl, cisco.lc.it, cisco.org.ag and pawsdeveloper.com share IP numbers with ciscoresearch.com.

Name Servers

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

ciscoresearch.com at least partially shares name servers with other domains such as gmt-ea1.cisco.com, ciscoexpert.info, tandberg.de, ciscotidal.eu and altiga.net.

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.

ciscoresearch.com - robtex.com