cisco.nexus - robtex.com

cisco.nexus

DNSSEC⚠️ Not signed
NSns1.cisco.com ⚠️ Not in zone NS records
A2001:420:1101:6::aπŸ‡ΊπŸ‡Έ ASNTTCISCO2001:420:1100::/41 170 West Tasman Drive San Jose CA 95134 United States
PTRns1.cisco.com
A72.163.5.201πŸ‡ΊπŸ‡Έ 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::aπŸ‡ΊπŸ‡Έ ASNTTCISCO2001:420:2000::/35 170 West Tasman Drive San Jose CA 95134 United States
PTRns2.cisco.com
A64.102.255.44πŸ‡ΊπŸ‡Έ 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::aπŸ‡ΊπŸ‡Έ ASNTTCISCO2001:420:1200::/41 170 West Tasman Drive San Jose CA 95134 United States
PTRns3.cisco.com
A173.37.146.41πŸ‡ΊπŸ‡Έ ASNTTCISCO173.37.128.0/19 170 West Tasman Drive San Jose CA 95134 United States
PTRns3.cisco.com

nexus

DNSSECπŸ”’ Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
πŸ”’ HSTS Preload (+subdomains)

Same first word

Similar names

DNS History

3 records (3 active, 0 former)

NSns1.cisco.comns2.cisco.comns3.cisco.com
●NSns1.cisco.com2026-03-31 β†’ 2026-04-01 Β· 2 obs
● 2026-03-31 13:41:52
● 2026-04-01 01:31:46
●NSns2.cisco.com2026-03-31 β†’ 2026-04-01 Β· 2 obs
● 2026-03-31 13:41:52
● 2026-04-01 01:31:46
●NSns3.cisco.com2026-03-31 β†’ 2026-04-01 Β· 2 obs
● 2026-03-31 13:41:52
● 2026-04-01 01:31:46

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
nexusns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...10 records
cisco.nexusns1.cisco.com, ns3.cisco.com, ns2.cisco.com-

βœ… Authoritative Response

Server:173.37.146.41

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

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cisco.nexus (unsigned zone)

⏱️ Timing

Total: 542ms | Queries: -

πŸ“„ Records

TypeCountSample Data

πŸ“Œ Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...)

Analysis

Name Servers

The delegation for cisco.nexus is handled by three name servers: ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.

cisco.nexus shares name servers with other domains at least partially, for example mtghouse.com, incisco.com, ciscostudy.net, ciscoiq.com and cisconetworkmagic.biz.

Host names with two IPs:

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