`ciscosiliconone.com`

DNSSEC	⚠️ Not signed
NS	`ns1.cisco.com` ⚠️ Not in zone NS records
		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` ⚠️ Not in zone NS records
		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` ⚠️ Not in zone NS records
		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`

`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=1775964677

Same first word

ciscosiliconone.net

ciscosiliconone.co.uk

ciscosiliconone.com

ciscosiliconone.ru

ciscosiliconone.eu

ciscosiliconone.info

DNS History

7 records (3 active, 4 former)

●NSns1.cisco.com2026-03-31 → 2026-04-12 · 3 obs

○ 2019-12-17 21:30:36
● 2026-03-31 14:03:26
● 2026-04-12 03:44:54

○NSns1.undeveloped.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 21:30:36
○ 2026-03-31 14:03:26
○ 2026-04-12 03:44:54

●NSns2.cisco.com2026-03-31 → 2026-04-12 · 3 obs

○ 2019-12-17 21:30:36
● 2026-03-31 14:03:26
● 2026-04-12 03:44:54

○NSns2.undeveloped.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 21:30:36
○ 2026-03-31 14:03:26
○ 2026-04-12 03:44:54

●NSns3.cisco.com2026-03-31 → 2026-04-12 · 3 obs

○ 2019-12-17 21:30:36
● 2026-03-31 14:03:26
● 2026-04-12 03:44:54

○A2a05:d014:9da:8c10:306e:3e07:a16f:a5522019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 21:30:36
○ 2026-03-31 14:03:26
○ 2026-04-12 03:44:54

○A52.58.78.162019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 21:30:36
○ 2026-03-31 14:03:26
○ 2026-04-12 03:44:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net...	-
ciscosiliconone.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 ciscosiliconone.com (unsigned zone)

⏱️ Timing

Total: 266ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 6

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

Analysis

Name Servers

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

ciscosiliconone.com at least partially shares name servers with other domains, for instance ciscointernethome.org, siventure.com, cisco-telepresence-exchange.biz, amteva.org and lanpbx.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.

ciscosiliconone.com - robtex.com