`ciscosystems.nm.cn`

DNSSEC	⚠️ Not signed
NS	`ns1.cisco.com` ⚠️ Not in zone NS records
		A	2001:420:1101:6::a^{🇺🇸 ASNTTCISCO2001:420:1100::/41 170 West Tasman Drive San Jose CA 95134 United States}
			PTR	`ns1.cisco.com`
		A	72.163.5.201^{🇺🇸 ASNTTCISCO72.163.0.0/18 170 West Tasman Drive San Jose CA 95134 United States}
			PTR	`ns1.cisco.com`
NS	`ns2.cisco.com` ⚠️ Not in zone NS records
		A	2001:420:2041:5000::a^{🇺🇸 ASNTTCISCO2001:420:2000::/35 170 West Tasman Drive San Jose CA 95134 United States}
			PTR	`ns2.cisco.com`
		A	64.102.255.44^{🇺🇸 ASNTTCISCO64.102.0.0/16 170 West Tasman Drive San Jose CA 95134 United States}
			PTR	`ns2.cisco.com`
NS	`ns3.cisco.com` ⚠️ Not in zone NS records
		A	2001:420:1201:7::a^{🇺🇸 ASNTTCISCO2001:420:1200::/41 170 West Tasman Drive San Jose CA 95134 United States}
			PTR	`ns3.cisco.com`
		A	173.37.146.41^{🇺🇸 ASNTTCISCO173.37.128.0/19 170 West Tasman Drive San Jose CA 95134 United States}
			PTR	`ns3.cisco.com`

`nm.cn`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.cn` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.cn` ⚠️ Not in parent delegation
	NS	`c.dns.cn` ⚠️ Not in parent delegation
	NS	`cns.cernet.net` ⚠️ Not in parent delegation
	NS	`d.dns.cn` ⚠️ Not in parent delegation
	NS	`e.dns.cn` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2027233280

WOT: SAFE (99/100)

Same first word

ciscosystems.co.cr

ciscosystems.vb.it

ciscosystems.fi.it

ciscosystems.vi.it

ciscosystems.org.cn

ciscosystems.info.az

ciscosystems.net.gy

ciscosystems.mp

ciscosystems.org.ph

ciscosystems.biz

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ciscosystems.va.it

ciscosystems.net.tt

ciscosystems.cr.it

ciscosystems.co.it

ciscosystems.info.ro

ciscosystems.info.ve

ciscosystems.net.mu

ciscosystems.ve.it

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ciscosystems.fc.it

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ciscosystems.pt.it

ciscosystems.tv.it

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ciscosystems.bl.it

ciscosystems.com.af

ciscosystems.io

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ciscosystems.org.es

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ciscosystems.do

ciscosystems.te.it

ciscosystems.co

ciscosystems.com.az

ciscosystems.bg.it

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ciscosystems.fj.cn

ciscosystems.com.pl

ciscosystems.info

ciscosystems.com.hk

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ciscosystems.biz.pl

ciscosystems.net.gp

ciscosystems.cn

ciscosystems.lu

ciscosystems.co.ke

ciscosystems.kr.it

ciscosystems.go.it

ciscosystems.net.ru

ciscosystems.pn

ciscosystems.web.do

ciscosystems.gx.cn

ciscosystems.sv.it

ciscosystems.edu.mw

ciscosystems.org.ci

ciscosystems.web.pk

ciscosystems.ch.it

ciscosystems.com.gp

ciscosystems.ws

ciscosystems.me.it

ciscosystems.ru

ciscosystems.si

ciscosystems.am

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ciscosystems.kg

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ciscosystems.rg.it

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ciscosystems.uz

ciscosystems.net.pr

ciscosystems.mx

ciscosystems.lt

ciscosystems.pe

ciscosystems.art.do

ciscosystems.su

ciscosystems.nm.cn

ciscosystems.org.fj

ciscosystems.org.pn

ciscosystems.sh.cn

ciscosystems.app

ciscosystems.nl

ciscosystems.re.it

ciscosystems.org.ve

ciscosystems.com.pk

ciscosystems.bg

ciscosystems.com.fj

ciscosystems.net.pl

ciscosystems.mo.it

ciscosystems.bj.cn

ciscosystems.biz.tt

ciscosystems.tc

ciscosystems.co.lc

ciscosystems.vt.it

ciscosystems.se

ciscosystems.at.it

ciscosystems.pv.it

ciscosystems.sl

ciscosystems.net.gt

ciscosystems.hu

ciscosystems.cm

ciscosystems.tv

ciscosystems.hk.cn

ciscosystems.health.vn

ciscosystems.sg

ciscosystems.ca

ciscosystems.rm.it

ciscosystems.shop

ciscosystems.net.sb

ciscosystems.xj.cn

ciscosystems.aq.it

ciscosystems.jobs

ciscosystems.com.cn

ciscosystems.md

ciscosystems.club.tw

ciscosystems.cb.it

ciscosystems.ac

ciscosystems.net.nz

ciscosystems.org.nz

ciscosystems.bs.it

ciscosystems.tt

ciscosystems.eu

ciscosystems.co.nz

ciscosystems.or.at

ciscosystems.com.bs

ciscosystems.com.kz

DNS History

3 records (3 active, 0 former)

●NSns1.cisco.com2026-03-31 → 2026-04-02 · 2 obs

● 2026-03-31 14:01:22
● 2026-04-02 09:25:48

●NSns2.cisco.com2026-03-31 → 2026-04-02 · 2 obs

● 2026-03-31 14:01:22
● 2026-04-02 09:25:48

●NSns3.cisco.com2026-03-31 → 2026-04-02 · 2 obs

● 2026-03-31 14:01:22
● 2026-04-02 09:25:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
ciscosystems.nm.cn	ns1.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 ciscosystems.nm.cn (unsigned zone)

⏱️ Timing

Total: 911ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Name Servers

ciscosystems.nm.cn 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.nm.cn are shared with other domains, for instance webswitchpioneer.com, ciscowebexconnect.net, ciscovideoscape.com, thewebswitch.com and 51.128.216.in-addr.arpa.

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

ciscosystems.nm.cn - robtex.com