`topkoo.cn`

DNSSEC	⚠️ Not signed
A	156.239.66.110^{🇭🇰 GNET-AS9294156.239.64.0/20}
NS	`ns1.julydns.com` ⭐ ⚠️ Not in parent delegation
		A	162.159.48.223^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns1.judns.com` ⚠️ Not in zone NS records
		A	162.159.27.251^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.judns.com` ⚠️ Not in zone NS records
		A	162.159.27.251^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.julydns.com` ⚠️ Not in parent delegation
		A	162.159.48.223^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`ns1.julydns.com`master@jmdns.com serial=1747102896

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2034709480

Same first word

topkoo.cn

topkoo.com

Similar names

kootop.com

kotopo.com

topoko.cz

potoko.com

tokopo.com

kotopo.net

pokoto.com

oootpk.ru

topoko.com

oooptk.ru

ooopkt.ru

okotop.com

oktopo.com

koopot.co.il

tokopo.jp

DNS History

18 records (5 active, 13 former)

●NSns1.judns.com2026-04-25 → 2026-04-25 · 3 obs

○ 2018-08-27 17:07:00
● 2026-04-25 04:47:22
● 2026-04-25 04:47:24

●NSns1.julydns.com2026-04-25 → 2026-04-25 · 3 obs

○ 2018-08-27 17:07:00
● 2026-04-25 04:47:22
● 2026-04-25 04:47:24

○NSns1.myhostadmin.net2015-06-30 → 2018-08-27 · 4 obs

● 2015-06-30 11:38:08
● 2018-08-27 17:07:00
○ 2026-04-25 04:47:22
○ 2026-04-25 04:47:24

●NSns2.judns.com2026-04-25 → 2026-04-25 · 3 obs

○ 2018-08-27 17:07:00
● 2026-04-25 04:47:22
● 2026-04-25 04:47:24

●NSns2.julydns.com2026-04-25 → 2026-04-25 · 3 obs

○ 2018-08-27 17:07:00
● 2026-04-25 04:47:22
● 2026-04-25 04:47:24

○NSns2.myhostadmin.net2015-06-30 → 2018-08-27 · 4 obs

● 2015-06-30 11:38:08
● 2018-08-27 17:07:00
○ 2026-04-25 04:47:22
○ 2026-04-25 04:47:24

○NSns3.myhostadmin.net2015-06-30 → 2018-08-27 · 4 obs

● 2015-06-30 11:38:08
● 2018-08-27 17:07:00
○ 2026-04-25 04:47:22
○ 2026-04-25 04:47:24

○NSns4.myhostadmin.net2015-06-30 → 2018-08-27 · 4 obs

● 2015-06-30 11:38:08
● 2018-08-27 17:07:00
○ 2026-04-25 04:47:22
○ 2026-04-25 04:47:24

○NSns5.myhostadmin.net2015-06-30 → 2018-08-27 · 4 obs

● 2015-06-30 11:38:08
● 2018-08-27 17:07:00
○ 2026-04-25 04:47:22
○ 2026-04-25 04:47:24

○NSns6.myhostadmin.net2015-06-30 → 2018-08-27 · 4 obs

● 2015-06-30 11:38:08
● 2018-08-27 17:07:00
○ 2026-04-25 04:47:22
○ 2026-04-25 04:47:24

○MXmail.topkoo.cn2015-11-11 → 2017-02-10 · 4 obs

● 2015-11-11 03:25:40
● 2017-02-10 01:01:02
○ 2018-08-27 17:07:00
○ 2026-04-25 04:47:24

○MXmxn.mxhichina.com2018-08-27 → 2018-08-27 · 4 obs

○ 2017-02-10 01:01:02
● 2018-08-27 17:07:00
○ 2026-04-25 04:47:22
○ 2026-04-25 04:47:24

○MXmxw.mxhichina.com2018-08-27 → 2018-08-27 · 4 obs

○ 2017-02-10 01:01:02
● 2018-08-27 17:07:00
○ 2026-04-25 04:47:22
○ 2026-04-25 04:47:24

●A156.239.66.1102026-04-25 → 2026-04-25 · 3 obs

○ 2018-08-27 17:07:00
● 2026-04-25 04:47:22
● 2026-04-25 04:47:24

○A211.149.131.2012015-06-30 → 2015-06-30 · 3 obs

● 2015-06-30 11:38:08
○ 2017-02-10 01:01:02
○ 2026-04-25 04:47:24

○A219.234.7.1972015-11-11 → 2017-02-10 · 5 obs

○ 2015-06-30 11:38:08
● 2015-11-11 03:25:40
● 2017-02-10 01:01:02
○ 2018-08-27 17:07:00
○ 2026-04-25 04:47:24

○CNAMEtopkoo.gotoip2.com2015-06-30 → 2015-06-30 · 3 obs

● 2015-06-30 11:38:08
○ 2015-11-11 03:25:40
○ 2026-04-25 04:47:24

○CNAMEtopkoo.gotoip55.com2015-11-11 → 2017-02-10 · 5 obs

○ 2015-06-30 11:38:08
● 2015-11-11 03:25:40
● 2017-02-10 01:01:02
○ 2018-08-27 17:07:00
○ 2026-04-25 04:47:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	c.dns.cn, e.dns.cn, b.dns.cn, a.dns.cn...	-
topkoo.cn	ns1.judns.com, ns2.judns.com	-

✅ Authoritative Response

Server:162.159.27.251

NS records: ns1.judns.com, ns2.judns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for topkoo.cn (unsigned zone)

⏱️ Timing

Total: 3159ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`156.239.66.110`
NS	2	`ns1.julydns.com, ns2.julydns.com`
SOA	1	`ns1.julydns.com master.jmdns.com`

Analysis

IP Addresses

topkoo.cn points to IP number 156.239.66.110.

Name Servers

topkoo.cn is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

topkoo.cn shares name servers with other domains at least partially, for example pxhqzx.com, xueyua.com, 7dota.com, novelpharm.cn and aopsec.com.