`21chong.com`

DNSSEC	⚠️ Not signed
A	104.195.36.171^{🇺🇸 ESITED-1104.195.0.0/18 ARIN direct allocation}
NS	`ns1.julydns.com` ⭐ ⚠️ Not in parent delegation
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
			PTR	`ip-47-97-51-45.defastlink.net`
NS	`ns1.judns.com` ⚠️ Not in zone NS records
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
			PTR	`ip-47-97-51-45.defastlink.net`
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}
			PTR	`ip-162-159-27-251.defastlink.net`
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}
			PTR	`ip-162-159-48-223.defastlink.net`
SOA	`ns1.julydns.com`master@jmdns.com serial=1754365352

`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=1771291435

DNS History

13 records (5 active, 8 former)

○NSdns31.hichina.com2020-04-07 → 2020-04-07 · 4 obs

○ 2017-02-01 22:48:04
● 2020-04-07 17:50:28
○ 2026-03-12 09:19:32
○ 2026-03-12 09:19:36

○NSdns32.hichina.com2020-04-07 → 2020-04-07 · 4 obs

○ 2017-02-01 22:48:04
● 2020-04-07 17:50:28
○ 2026-03-12 09:19:32
○ 2026-03-12 09:19:36

○NSf1g1ns1.dnspod.net2015-11-09 → 2017-02-01 · 4 obs

● 2015-11-09 17:36:48
● 2017-02-01 22:48:04
○ 2020-04-07 17:50:28
○ 2026-03-12 09:19:36

○NSf1g1ns2.dnspod.net2015-11-09 → 2016-06-19 · 4 obs

● 2015-11-09 17:36:48
● 2016-06-19 08:29:36
○ 2020-04-07 17:50:28
○ 2026-03-12 09:19:36

●NSns1.judns.com2026-03-12 → 2026-03-12 · 3 obs

○ 2020-04-07 17:50:28
● 2026-03-12 09:19:32
● 2026-03-12 09:19:36

●NSns1.julydns.com2026-03-12 → 2026-03-12 · 3 obs

○ 2020-04-07 17:50:28
● 2026-03-12 09:19:32
● 2026-03-12 09:19:36

●NSns2.judns.com2026-03-12 → 2026-03-12 · 3 obs

○ 2020-04-07 17:50:28
● 2026-03-12 09:19:32
● 2026-03-12 09:19:36

●NSns2.julydns.com2026-03-12 → 2026-03-12 · 3 obs

○ 2020-04-07 17:50:28
● 2026-03-12 09:19:32
● 2026-03-12 09:19:36

●A104.195.36.1712026-03-12 → 2026-03-12 · 3 obs

○ 2020-04-07 17:50:28
● 2026-03-12 09:19:32
● 2026-03-12 09:19:36

○A119.28.75.2492020-04-07 → 2020-04-07 · 4 obs

○ 2016-06-19 08:29:36
● 2020-04-07 17:50:28
○ 2026-03-12 09:19:32
○ 2026-03-12 09:19:36

○A47.88.50.162016-01-29 → 2016-06-19 · 5 obs

○ 2015-11-09 17:36:48
● 2016-01-29 15:54:42
● 2016-06-19 08:29:36
○ 2020-04-07 17:50:28
○ 2026-03-12 09:19:36

○A58.96.181.322015-05-07 → 2015-11-09 · 4 obs

● 2015-05-07 18:12:36
● 2015-11-09 17:36:48
○ 2016-01-29 15:54:42
○ 2026-03-12 09:19:36

○CNAMEns.wangguai.com2015-05-07 → 2016-06-19 · 4 obs

● 2015-05-07 18:12:36
● 2016-06-19 08:29:36
○ 2017-02-01 22:48:04
○ 2026-03-12 09:19:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
21chong.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 21chong.com (unsigned zone)

⏱️ Timing

Total: 3349ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`104.195.36.171`
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

IP Addresses

21chong.com points to an IP address: 104.195.36.171.

Other host names, for instance hszbny.com, share IP numbers with 21chong.com.

Name Servers

21chong.com delegates to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

21chong.com at least partially shares name servers with other domains, for instance lexiduo.cn, satgem.com, gpeyszf.cn, shejiong.com and petwhy.com.