`ciscotraining.net`

DNSSEC	⚠️ Not signed
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=1

`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=1775092517

Same first word

ciscotraining.info

ciscotraining.net

ciscotraining.at

Similar names

trainingcisco.com

DNS History

5 records (3 active, 2 former)

○NSedns-aln1-1-l2016-12-31 → 2016-12-31 · 4 obs

○ 2016-04-28 20:55:48
● 2016-12-31 15:01:56
○ 2018-08-30 15:35:28
○ 2026-04-02 01:31:56

○NSedns-aln1-1-l.cisco.com2015-06-10 → 2016-04-28 · 5 obs

○ 2007-09-15 10:18:28
● 2015-06-10 04:46:28
● 2016-04-28 20:55:48
○ 2016-12-31 15:01:56
○ 2026-04-02 01:31:56

●NSns1.cisco.com2007-09-15 → 2026-04-02 · 2 obs

● 2007-09-15 10:18:28
● 2026-04-02 01:31:56

●NSns2.cisco.com2007-09-15 → 2026-04-02 · 2 obs

● 2007-09-15 10:18:28
● 2026-04-02 01:31:56

●NSns3.cisco.com2015-06-10 → 2026-04-02 · 3 obs

○ 2007-09-15 10:18:28
● 2015-06-10 04:46:28
● 2026-04-02 01:31:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...	-
ciscotraining.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 ciscotraining.net (unsigned zone)

⏱️ Timing

Total: 292ms | Queries: -

📄 Records

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

Analysis

Name Servers

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

ciscotraining.net at least partially shares name servers with other domains, for instance 990mxp.com, cisco-nj.com, ciscoasr.org, ciscoexplorer.org and dc-bootcamp.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.

ciscotraining.net - robtex.com