`chengyi-valve.com`

DNSSEC	⚠️ Not signed
A	103.43.188.128^{🇸🇬 WEST263GO-HK103.43.188.0/22 ZHONGYA PTE LTD 15 Pioneer Walk Singapore}
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=1774960928

`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=1784721457

Subdomains

mx.chengyi-valve.com

Same first word

chengyi-valve.com

DNS History

10 records (5 active, 5 former)

●NSns1.judns.com2026-05-16 → 2026-07-22 · 3 obs

○ 2017-10-26 05:23:40
● 2026-05-16 02:38:36
● 2026-07-22 12:24:22

●NSns1.julydns.com2026-05-16 → 2026-07-22 · 3 obs

○ 2017-10-26 05:23:40
● 2026-05-16 02:38:36
● 2026-07-22 12:24:22

○NSns15.xincache.com2015-07-19 → 2017-10-26 · 4 obs

● 2015-07-19 01:07:02
● 2017-10-26 05:23:40
○ 2026-05-16 02:38:36
○ 2026-07-22 12:24:22

○NSns16.xincache.com2015-07-19 → 2017-10-26 · 4 obs

● 2015-07-19 01:07:02
● 2017-10-26 05:23:40
○ 2026-05-16 02:38:36
○ 2026-07-22 12:24:22

●NSns2.judns.com2026-05-16 → 2026-07-22 · 3 obs

○ 2017-10-26 05:23:40
● 2026-05-16 02:38:36
● 2026-07-22 12:24:22

●NSns2.julydns.com2026-05-16 → 2026-07-22 · 3 obs

○ 2017-10-26 05:23:40
● 2026-05-16 02:38:36
● 2026-07-22 12:24:22

○MXmx.chengyi-valve.com2015-07-19 → 2016-02-28 · 4 obs

● 2015-07-19 01:07:02
● 2016-02-28 11:44:38
○ 2016-11-26 13:45:10
○ 2026-07-22 12:24:22

●A103.43.188.1282026-05-16 → 2026-07-22 · 3 obs

○ 2017-10-26 05:23:40
● 2026-05-16 02:38:36
● 2026-07-22 12:24:22

○A122.10.99.1662016-11-26 → 2017-10-26 · 5 obs

○ 2016-02-28 11:44:38
● 2016-11-26 13:45:10
● 2017-10-26 05:23:40
○ 2026-05-16 02:38:36
○ 2026-07-22 12:24:22

○A59.188.252.1202015-07-19 → 2016-02-28 · 4 obs

● 2015-07-19 01:07:02
● 2016-02-28 11:44:38
○ 2016-11-26 13:45:10
○ 2026-07-22 12:24:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
chengyi-valve.com	ns1.judns.com, ns2.judns.com	2 records

✅ Authoritative Response

Server:162.159.27.251

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for chengyi-valve.com (unsigned zone)

⏱️ Timing

Total: 311ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.43.188.128`
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

chengyi-valve.com is the parent zone for mx.chengyi-valve.com.

IP Addresses

chengyi-valve.com directs to one IP number, which is 103.43.188.128.

Among the host names that share IP numbers with chengyi-valve.com are o6.shangtuo.net, shangtuo.net, zb.shangtuo.net and two others.

Name Servers

The domain chengyi-valve.com is delegated to these four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

chengyi-valve.com partially shares its NS delegation with several other domains, including 829598.cn, hellobumpdate.com, zscyjd.com and two others.

These name servers are regularly seen alongside ns1.onclouddns.com and ns2.onclouddns.com as name servers.

Each of ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com has a single IP address — ns1.judns.com and ns2.judns.com direct to 162.159.27.251, and ns1.julydns.com and ns2.julydns.com direct to 162.159.48.223.

ns1.judns.com along with ns2.judns.com each resolve to 162.159.27.251 IP addresses.

ns1.julydns.com along with ns2.julydns.com each resolve to 162.159.48.223 IP addresses.

chengyi-valve.com - robtex.com