my.cisco - robtex.com

my.cisco

DNSSEC⚠️ Not signed
A72.163.4.154🇺🇸 ASNTTCISCO72.163.4.0/24 170 West Tasman Drive San Jose CA 95134 United States
PTRredirect.cisco.com
NSns1.cisco.com ⭐
A2001:420:1101:6::a🇺🇸 ASNTTCISCO2001:420:1100::/41 170 West Tasman Drive San Jose CA 95134 United States
PTRns1.cisco.com
A72.163.5.201🇺🇸 ASNTTCISCO72.163.0.0/18 170 West Tasman Drive San Jose CA 95134 United States
PTRns1.cisco.com
NSns2.cisco.com
A2001:420:2041:5000::a🇺🇸 ASNTTCISCO2001:420:2000::/35 170 West Tasman Drive San Jose CA 95134 United States
PTRns2.cisco.com
A64.102.255.44🇺🇸 ASNTTCISCO64.102.0.0/16 170 West Tasman Drive San Jose CA 95134 United States
PTRns2.cisco.com
NSns3.cisco.com
A2001:420:1201:7::a🇺🇸 ASNTTCISCO2001:420:1200::/41 170 West Tasman Drive San Jose CA 95134 United States
PTRns3.cisco.com
A173.37.146.41🇺🇸 ASNTTCISCO173.37.128.0/19 170 West Tasman Drive San Jose CA 95134 United States
PTRns3.cisco.com
SOAns1.cisco.compostmaster@cisco.com serial=2

cisco

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nic.cisco ⭐
NSa.nic.cisco
NSb.nic.cisco
NSc.nic.cisco
NSns2.dns.nic.cisco
NSns3.dns.nic.cisco
SOAns1.dns.nic.ciscoadmin@tldns.godaddy serial=1778297984

Same first word

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my.mov
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DNS History

4 records (4 active, 0 former)

NSns1.cisco.comns2.cisco.comns3.cisco.comA72.163.4.154
●NSns1.cisco.com2026-05-03 → 2026-05-09 · 2 obs
● 2026-05-03 12:41:06
● 2026-05-09 19:51:32
●NSns2.cisco.com2026-05-03 → 2026-05-09 · 2 obs
● 2026-05-03 12:41:06
● 2026-05-09 19:51:32
●NSns3.cisco.com2026-05-03 → 2026-05-09 · 2 obs
● 2026-05-03 12:41:06
● 2026-05-09 19:51:32
●A72.163.4.1542026-05-03 → 2026-05-09 · 2 obs
● 2026-05-03 12:41:06
● 2026-05-09 19:51:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ciscons3.dns.nic.cisco, ns1.dns.nic.cisco, b.nic.cisco, ns2.dns.nic.cisco...12 records
my.ciscons1.cisco.com, ns2.cisco.com, ns3.cisco.com-

✅ Authoritative Response

Server:72.163.5.201

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for my.cisco (unsigned zone)

⏱️ Timing

Total: 607ms | Queries: -

📄 Records

TypeCountSample Data
A172.163.4.154
NS3ns3.cisco.com, ns1.cisco.com...
SOA1ns1.cisco.com postmaster.cisco.com

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (ns3.dns.nic.cisco, ns3.dns.nic.cisco, ns1.dns.nic.cisco...)

Analysis

IP Addresses

my.cisco points to a single IP number: 72.163.4.154.

Other host names, for instance ciscosystems.mc.it, cisco.org.vc, sem-central.com, cisco.net and ciscobuy.info share IP numbers with my.cisco.

Name Servers

The domain my.cisco is delegated to three name servers: ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.

my.cisco shares name servers with other domains at least partially, for instance ccna.biz, ciscoeos.org, ciscoscansafe.cn, stratacom.com and parstream.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