ciscoonly.net - robtex.com

ciscoonly.net

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

net

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net ⚠️ Not in parent delegation
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1785398682

Same first word

DNS History

3 records (3 active, 0 former)

NSns1.cisco.comns2.cisco.comns3.cisco.com
NSns1.cisco.com2026-05-03 → 2026-07-30 · 2 obs
● 2026-05-03 12:36:40
● 2026-07-30 08:24:56
NSns2.cisco.com2026-05-03 → 2026-07-30 · 2 obs
● 2026-05-03 12:36:40
● 2026-07-30 08:24:56
NSns3.cisco.com2026-05-03 → 2026-07-30 · 2 obs
● 2026-05-03 12:36:40
● 2026-07-30 08:24:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netj.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net...-
ciscoonly.netns1.cisco.com, ns2.cisco.com, ns3.cisco.com-

✅ Authoritative Response

Server:64.102.255.44

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ciscoonly.net (unsigned zone)

⏱️ Timing

Total: 1637ms | Queries: -

📄 Records

TypeCountSample Data

Analysis

Name Servers

ciscoonly.net has three name servers — ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.

There is at least partial name server overlap between ciscoonly.net and other domains — mailround.site, ciscohealthpresence.us, ciscowebexconnect.com and two more among them.

Each of ns1.cisco.com, ns2.cisco.com and ns3.cisco.com points to two IP numbers. ns1.cisco.com points to 72.163.5.201 and 2001:420:1101:6::a. ns2.cisco.com points to 64.102.255.44 and 2001:420:2041:5000::a. ns3.cisco.com points to 173.37.146.41 and 2001:420:1201:7::a.