`ciscosecurity.net`

DNSSEC	⚠️ Not signed
A	2001:420:1101:1::b^{🇺🇸 ASNTTCISCO2001:420:1100::/41 170 West Tasman Drive San Jose CA 95134 United States}
		PTR	`redirect.cisco.com`
A	72.163.4.154^{🇺🇸 ASNTTCISCO72.163.4.0/24 170 West Tasman Drive San Jose CA 95134 United States}
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=5

`net`

	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=1775181657

WOT: SAFE (72/100)

Same first word

ciscosecurity.net

DNS History

7 records (5 active, 2 former)

○NSedns-aln1-1-l2017-05-14 → 2017-05-14 · 4 obs

○ 2016-11-08 14:53:36
● 2017-05-14 06:07:24
○ 2026-03-31 14:00:58
○ 2026-04-03 02:29:16

○NSedns-aln1-1-l.cisco.com2015-07-25 → 2016-11-08 · 4 obs

● 2015-07-25 03:52:22
● 2016-11-08 14:53:36
○ 2017-05-14 06:07:24
○ 2026-04-03 02:29:16

●NSns1.cisco.com2015-07-25 → 2026-04-03 · 2 obs

● 2015-07-25 03:52:22
● 2026-04-03 02:29:16

●NSns2.cisco.com2015-07-25 → 2026-04-03 · 2 obs

● 2015-07-25 03:52:22
● 2026-04-03 02:29:16

●NSns3.cisco.com2015-07-25 → 2026-04-03 · 2 obs

● 2015-07-25 03:52:22
● 2026-04-03 02:29:16

●A2001:420:1101:1::b2015-07-25 → 2026-04-03 · 2 obs

● 2015-07-25 03:52:22
● 2026-04-03 02:29:16

●A72.163.4.1542015-07-25 → 2026-04-03 · 2 obs

● 2015-07-25 03:52:22
● 2026-04-03 02:29:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	d.gtld-servers.net, a.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net...	-
ciscosecurity.net	ns1.cisco.com, ns2.cisco.com, ns3.cisco.com	-

✅ 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 ciscosecurity.net (unsigned zone)

⏱️ Timing

Total: 395ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`72.163.4.154`
AAAA	1	`2001:420:1101:1::b`
NS	3	`ns2.cisco.com, ns3.cisco.com...`
SOA	1	`ns1.cisco.com postmaster.cisco.com`

Analysis

IP Addresses

ciscosecurity.net resolves to two IP numbers: 2001:420:1101:1::b and 72.163.4.154.

Other host names, for instance cisco.rc.it, cisco.mx, ciscowebex.co.in, ciscosystems.ac.mu and ciscopress.info share IP numbers with ciscosecurity.net.

Name Servers

ciscosecurity.net is delegated to three name servers: ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.

ciscosecurity.net partially shares name servers with other domains; examples include meetingplace.asia, twingosys.com, ciscoexperience.com, mediafiles-cisco.com and myciscohome.co.uk.

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.

ciscosecurity.net - robtex.com