`20cz.com`

DNSSEC	⚠️ Not signed
NS	`ns1.julydns.com` ⭐ ⚠️ Not in parent delegation
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
NS	`ns1.judns.com` ⚠️ Not in zone NS records
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
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=1771958667

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774556957

Same first word

20cz.com

Similar names

cz02.com

zc02.info

zc20.com

cz20.com

zc02.com

cz20.de

02zc.com

cz20.cn

DNS History

14 records (4 active, 10 former)

●NSns1.judns.com2026-02-18 → 2026-03-26 · 3 obs

○ 2016-07-09 22:50:52
● 2026-02-18 01:26:32
● 2026-03-26 20:41:22

●NSns1.julydns.com2026-02-18 → 2026-03-26 · 3 obs

○ 2016-07-09 22:50:52
● 2026-02-18 01:26:32
● 2026-03-26 20:41:22

●NSns2.judns.com2026-02-18 → 2026-03-26 · 3 obs

○ 2016-07-09 22:50:52
● 2026-02-18 01:26:32
● 2026-03-26 20:41:22

●NSns2.julydns.com2026-02-18 → 2026-03-26 · 3 obs

○ 2016-07-09 22:50:52
● 2026-02-18 01:26:32
● 2026-03-26 20:41:22

○NSwww.20cz.com2015-06-10 → 2016-07-09 · 4 obs

● 2015-06-10 19:34:26
● 2016-07-09 22:50:52
○ 2026-02-18 01:26:32
○ 2026-03-26 20:41:22

○MXio.bouncemx.com2015-10-25 → 2016-07-09 · 4 obs

● 2015-10-25 08:13:08
● 2016-07-09 22:50:52
○ 2026-02-18 01:26:32
○ 2026-03-26 20:41:22

○A119.28.6.2512018-01-12 → 2018-01-12 · 4 obs

○ 2016-07-09 22:50:52
● 2018-01-12 11:13:34
○ 2026-02-18 01:26:32
○ 2026-03-26 20:41:22

○A121.40.254.1422026-02-18 → 2026-02-18 · 3 obs

○ 2018-01-12 11:13:34
● 2026-02-18 01:26:32
○ 2026-03-26 20:41:22

○A70.39.84.2292016-03-12 → 2016-03-12 · 4 obs

○ 2016-01-27 18:09:24
● 2016-03-12 09:48:14
○ 2016-07-09 22:50:52
○ 2026-03-26 20:41:22

○A70.39.84.2312016-01-27 → 2016-01-27 · 4 obs

○ 2015-10-25 08:13:08
● 2016-01-27 18:09:24
○ 2016-03-12 09:48:14
○ 2026-03-26 20:41:22

○A70.39.84.2412015-10-25 → 2015-10-25 · 4 obs

○ 2015-06-10 19:34:26
● 2015-10-25 08:13:08
○ 2016-01-27 18:09:24
○ 2026-03-26 20:41:22

○A70.39.84.2422016-07-09 → 2016-07-09 · 4 obs

○ 2016-03-12 09:48:14
● 2016-07-09 22:50:52
○ 2018-01-12 11:13:34
○ 2026-03-26 20:41:22

○A70.39.84.2462015-06-10 → 2015-06-10 · 3 obs

● 2015-06-10 19:34:26
○ 2018-01-12 11:13:34
○ 2026-03-26 20:41:22

○CNAMEnum2.dcoin.co2015-06-10 → 2016-07-09 · 4 obs

● 2015-06-10 19:34:26
● 2016-07-09 22:50:52
○ 2018-01-12 11:13:34
○ 2026-03-26 20:41:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
20cz.com	ns1.judns.com, ns2.judns.com	2 records

✅ Authoritative Response

Server:47.97.51.45

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 20cz.com (unsigned zone)

⏱️ Timing

Total: 496ms | Queries: -

📄 Records

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

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.judns.com, ns2.judns.com)

Analysis

Name Servers

20cz.com is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

20cz.com shares name servers with other domains at least partially, for example khdszg.com, mc9517.com, zdefzx.com, zgjlaz.com and dolituan.com.