`jingchengdb.com`

DNSSEC	⚠️ Not signed
A	156.239.68.130^{🇭🇰 GNET-AS9294156.239.64.0/20}
A	156.239.69.140^{🇭🇰 GNET-AS9294156.239.64.0/20}
A	168.206.160.62^{🇺🇸 UNSPECIFIED160.0.0.0/3}
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=1766835113

`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=1774595137

Subdomains

www.jingchengdb.com

Same first word

jingchengdb.com

DNS History

10 records (7 active, 3 former)

○NSjuming.dnsdun.com2017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 19:52:58
○ 2026-02-20 14:16:38
○ 2026-03-27 07:30:20

○NSjuming.dnsdun.net2017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 19:52:58
○ 2026-02-20 14:16:38
○ 2026-03-27 07:30:20

●NSns1.judns.com2026-02-20 → 2026-03-27 · 3 obs

○ 2017-11-07 19:52:58
● 2026-02-20 14:16:38
● 2026-03-27 07:30:20

●NSns1.julydns.com2026-02-20 → 2026-03-27 · 3 obs

○ 2017-11-07 19:52:58
● 2026-02-20 14:16:38
● 2026-03-27 07:30:20

●NSns2.judns.com2026-02-20 → 2026-03-27 · 3 obs

○ 2017-11-07 19:52:58
● 2026-02-20 14:16:38
● 2026-03-27 07:30:20

●NSns2.julydns.com2026-02-20 → 2026-03-27 · 3 obs

○ 2017-11-07 19:52:58
● 2026-02-20 14:16:38
● 2026-03-27 07:30:20

○A107.164.182.2522017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 19:52:58
○ 2026-02-20 14:16:38
○ 2026-03-27 07:30:20

●A156.239.68.1302026-02-20 → 2026-03-27 · 3 obs

○ 2017-11-07 19:52:58
● 2026-02-20 14:16:38
● 2026-03-27 07:30:20

●A156.239.69.1402026-02-20 → 2026-03-27 · 3 obs

○ 2017-11-07 19:52:58
● 2026-02-20 14:16:38
● 2026-03-27 07:30:20

●A168.206.160.622026-02-20 → 2026-03-27 · 3 obs

○ 2017-11-07 19:52:58
● 2026-02-20 14:16:38
● 2026-03-27 07:30:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, e.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net...	-
jingchengdb.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 jingchengdb.com (unsigned zone)

⏱️ Timing

Total: 3336ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`168.206.160.62, 156.239.69.140...`
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

Hierarchy

jingchengdb.com is the parent of www.jingchengdb.com.

IP Addresses

jingchengdb.com points to three IP numbers: 156.239.68.130, 156.239.69.140 and 168.206.160.62.

Other host names such as www.jingchengdb.com, zqmcdr.com, fcfengshui.com and bjhuifu.com share IP numbers with jingchengdb.com.

Name Servers

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

jingchengdb.com at least partially shares name servers with other domains, including jshqyy.cn, szshyuan.com, gzmxjs.com, schcjn.com and weides.cn.