`networkingacademy.info`

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` ⚠️ Not in parent delegation
		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

`info`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.info.afilias-nst.info` ⭐
	NS	`a2.info.afilias-nst.info`
	NS	`b0.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`b2.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`c0.info.afilias-nst.info`
	NS	`d0.info.afilias-nst.org` ⚠️ Not in parent delegation
	SOA	`a0.info.afilias-nst.info`hostmaster@donuts.email serial=1775123552

Same first word

networkingacademy.info

networkingacademy.asia

DNS History

5 records (3 active, 2 former)

○NSedns-aln1-1-l.cisco.com2015-07-08 → 2016-06-18 · 4 obs

● 2015-07-08 23:04:12
● 2016-06-18 19:18:02
○ 2017-02-02 10:13:20
○ 2026-04-02 10:04:04

○NSedns-rtp5-1-l2017-02-02 → 2017-02-02 · 4 obs

○ 2016-06-18 19:18:02
● 2017-02-02 10:13:20
○ 2018-09-08 04:31:02
○ 2026-04-02 10:04:04

●NSns1.cisco.com2015-07-08 → 2026-04-02 · 2 obs

● 2015-07-08 23:04:12
● 2026-04-02 10:04:04

●NSns2.cisco.com2015-07-08 → 2026-04-02 · 2 obs

● 2015-07-08 23:04:12
● 2026-04-02 10:04:04

●NSns3.cisco.com2015-07-08 → 2026-04-02 · 2 obs

● 2015-07-08 23:04:12
● 2026-04-02 10:04:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
info	a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info	-
networkingacademy.info	ns2.cisco.com, ns1.cisco.com	-

✅ Authoritative Response

Server:72.163.5.201

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for networkingacademy.info (unsigned zone)

⏱️ Timing

Total: 552ms | Queries: -

📄 Records

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

Analysis

Name Servers

networkingacademy.info is delegated to three name servers: ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.

At least part of the name servers for networkingacademy.info are shared with other domains, for instance cisco-telepresence.org, cloupia.com, ciscolab.info, broadbandbuilders.org and vpn-hardware.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

networkingacademy.info - robtex.com