ciscosystems.engineering - robtex.com

ciscosystems.engineering

DNSSEC⚠️ Not signed
NSns1.cisco.com ⚠️ Not in zone NS records
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 ⚠️ Not in zone NS records
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 ⚠️ Not in zone NS records
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

engineering

DNSSEC🔒 Signed (DS record present)
NSv0n0.nic.engineering ⭐
NSv0n1.nic.engineering
NSv0n2.nic.engineering
NSv0n3.nic.engineering
NSv2n0.nic.engineering
NSv2n1.nic.engineering
SOAv0n0.nic.engineeringhostmaster@donuts.email serial=1775179276

Same first word

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Similar names

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ciscosystems.tel

DNS History

3 records (3 active, 0 former)

NSns1.cisco.comns2.cisco.comns3.cisco.com
●NSns1.cisco.com2026-03-31 → 2026-04-03 · 2 obs
● 2026-03-31 13:42:50
● 2026-04-03 01:25:18
●NSns2.cisco.com2026-03-31 → 2026-04-03 · 2 obs
● 2026-03-31 13:42:50
● 2026-04-03 01:25:18
●NSns3.cisco.com2026-03-31 → 2026-04-03 · 2 obs
● 2026-03-31 13:42:50
● 2026-04-03 01:25:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
engineeringv0n0.nic.engineering, v0n2.nic.engineering, v0n1.nic.engineering, v0n3.nic.engineering...12 records
ciscosystems.engineeringns3.cisco.com, ns1.cisco.com, ns2.cisco.com-

✅ Authoritative Response

Server:64.102.255.44

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ciscosystems.engineering (unsigned zone)

⏱️ Timing

Total: 539ms | Queries: -

📄 Records

TypeCountSample Data

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v2n1.nic.engineering, v2n0.nic.engineering, v0n3.nic.engineering...)

Analysis

Name Servers

ciscosystems.engineering is delegated to three name servers: ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.

At least part of the name servers for ciscosystems.engineering are shared with other domains, for instance orioninternal.com, cisco-mi.com, ciscosecuritylab.com, ciscoprice.co.uk and e-skills-summit.org.

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