netacad.com.cn - robtex.com

netacad.com.cn

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

com.cn

DNSSEC⚠️ Not signed
NSa.dns.cn ⭐ ⚠️ Not in parent delegation
NSb.dns.cn ⚠️ Not in parent delegation
NSc.dns.cn ⚠️ Not in parent delegation
NScns.cernet.net ⚠️ Not in parent delegation
NSd.dns.cn ⚠️ Not in parent delegation
NSe.dns.cn ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2030511165
WOT: NOT_SAFE (20/100)

Same first word

netacad.at
netacad.vn.ua
netacad.cz
netacad.hu
netacad.kiev.ua
netacad.org
netacad.org.ua
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netacad.cn
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netacad.com.pl

Similar names

datacen.net
cnedata.com
tadance.ru
enactad.com
cnedata.cn
dencata.jp
tadance.com
adcanet.com
caadnet.com.br
necdata.net
actaden.com
cadenta.com
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canadet.com
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danatec.ch
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tacande.net
atdance.art
datacen.com
danatec.com
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acadnet.com
acadnet.ro
catenda.com
tacdane.dk
catdean.com
canetda.com
cendata.co.uk
aandetc.com
cadanet.org
tacenda.ca
datance.com
danatec.co.kr
encdata.info
decanat.ru
adcanet.co.il
adantec.com
adcanet.org
datacen.com.br
dacenta.com
cendata.com
dacanet.com
acadnet.ca
cadante.com
danceta.com
danatec.de
dencata.com
netcada.com
adantec.de
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datecan.com
centada.com
adcenta.co.uk
tacenda.com
adtance.com
datacen.it
andatec.com
danceat.com
encdata.com

DNS History

3 records (3 active, 0 former)

NSns1.cisco.comns2.cisco.comns3.cisco.com
●NSns1.cisco.com2026-03-31 → 2026-04-12 · 2 obs
● 2026-03-31 13:57:58
● 2026-04-12 19:16:04
●NSns2.cisco.com2026-03-31 → 2026-04-12 · 2 obs
● 2026-03-31 13:57:58
● 2026-04-12 19:16:04
●NSns3.cisco.com2026-03-31 → 2026-04-12 · 2 obs
● 2026-03-31 13:57:58
● 2026-04-12 19:16:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cnb.dns.cn, d.dns.cn, a.dns.cn, e.dns.cn...-
netacad.com.cnns1.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 netacad.com.cn (unsigned zone)

⏱️ Timing

Total: 378ms | Queries: -

📄 Records

TypeCountSample Data

Analysis

Name Servers

netacad.com.cn is delegated to three name servers ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.

netacad.com.cn at least partially shares name servers with other domains, for instance cx-feedback.cisco.com, collaborativecommunicator.com, ciscojabber.org, urbanecomap.org and logical-dw.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.