`ciscolearningnetwork.mobi`

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`

`mobi`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.mobi.afilias-nst.info` ⭐
	NS	`a2.mobi.afilias-nst.info`
	NS	`b0.mobi.afilias-nst.org`
	NS	`b2.mobi.afilias-nst.org`
	NS	`c0.mobi.afilias-nst.info`
	NS	`d0.mobi.afilias-nst.org`
	SOA	`a0.mobi.afilias-nst.info`hostmaster@donuts.email serial=1775051942

Same first word

ciscolearningnetwork.biz

ciscolearningnetwork.com

ciscolearningnetwork.mobi

ciscolearningnetwork.org

DNS History

3 records (3 active, 0 former)

●NSns1.cisco.com2026-03-31 → 2026-04-01 · 2 obs

● 2026-03-31 14:00:12
● 2026-04-01 14:32:32

●NSns2.cisco.com2026-03-31 → 2026-04-01 · 2 obs

● 2026-03-31 14:00:12
● 2026-04-01 14:32:32

●NSns3.cisco.com2026-03-31 → 2026-04-01 · 2 obs

● 2026-03-31 14:00:12
● 2026-04-01 14:32:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
mobi	b2.mobi.afilias-nst.org, c0.mobi.afilias-nst.info, d0.mobi.afilias-nst.org, a0.mobi.afilias-nst.info...	-
ciscolearningnetwork.mobi	ns2.cisco.com, ns3.cisco.com, ns1.cisco.com	-

✅ Authoritative Response

Server:64.102.255.44

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ciscolearningnetwork.mobi (unsigned zone)

⏱️ Timing

Total: 218ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Name Servers

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

ciscolearningnetwork.mobi at least partially shares name servers with other domains, for instance 246.135.192.in-addr.arpa, ciscodvn.info, webcards.com, mysdn.net and ciscosensorbase.biz.

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.

ciscolearningnetwork.mobi - robtex.com