`sdzyusa.com`

DNSSEC	⚠️ Not signed
A	38.238.55.232^{🇺🇸 HDHK38.238.48.0/20}
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=1754043400

`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=1778494786

Subdomains

www.sdzyusa.com

Same first word

sdzyusa.com

DNS History

12 records (5 active, 7 former)

○NSf1g1ns1.dnspod.net2015-06-19 → 2016-04-10 · 4 obs

● 2015-06-19 20:48:42
● 2016-04-10 22:22:26
○ 2026-03-20 11:53:58
○ 2026-05-11 10:20:50

○NSf1g1ns2.dnspod.net2015-06-19 → 2016-04-10 · 4 obs

● 2015-06-19 20:48:42
● 2016-04-10 22:22:26
○ 2026-03-20 11:53:58
○ 2026-05-11 10:20:50

●NSns1.judns.com2026-03-20 → 2026-05-11 · 3 obs

○ 2016-04-10 22:22:26
● 2026-03-20 11:53:58
● 2026-05-11 10:20:50

●NSns1.julydns.com2026-03-20 → 2026-05-11 · 3 obs

○ 2016-04-10 22:22:26
● 2026-03-20 11:53:58
● 2026-05-11 10:20:50

●NSns2.judns.com2026-03-20 → 2026-05-11 · 3 obs

○ 2016-04-10 22:22:26
● 2026-03-20 11:53:58
● 2026-05-11 10:20:50

●NSns2.julydns.com2026-03-20 → 2026-05-11 · 3 obs

○ 2016-04-10 22:22:26
● 2026-03-20 11:53:58
● 2026-05-11 10:20:50

○MXmxbiz1.qq.com2015-06-19 → 2017-12-12 · 4 obs

● 2015-06-19 20:48:42
● 2017-12-12 12:41:50
○ 2026-03-20 11:53:58
○ 2026-05-11 10:20:50

○MXmxbiz2.qq.com2015-06-19 → 2017-12-12 · 4 obs

● 2015-06-19 20:48:42
● 2017-12-12 12:41:50
○ 2026-03-20 11:53:58
○ 2026-05-11 10:20:50

○A204.110.10.1532016-12-28 → 2017-12-12 · 5 obs

○ 2016-04-10 22:22:26
● 2016-12-28 13:26:22
● 2017-12-12 12:41:50
○ 2026-03-20 11:53:58
○ 2026-05-11 10:20:50

●A38.238.55.2322026-03-20 → 2026-05-11 · 3 obs

○ 2017-12-12 12:41:50
● 2026-03-20 11:53:58
● 2026-05-11 10:20:50

○A47.88.27.2082016-01-16 → 2016-04-10 · 5 obs

○ 2015-10-31 08:39:54
● 2016-01-16 16:25:14
● 2016-04-10 22:22:26
○ 2016-12-28 13:26:22
○ 2026-05-11 10:20:50

○A58.64.182.522015-06-19 → 2015-10-31 · 4 obs

● 2015-06-19 20:48:42
● 2015-10-31 08:39:54
○ 2016-01-16 16:25:14
○ 2026-05-11 10:20:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net...	-
sdzyusa.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 sdzyusa.com (unsigned zone)

⏱️ Timing

Total: 212ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`38.238.55.232`
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

www.sdzyusa.com has sdzyusa.com as its parent.

IP Addresses

sdzyusa.com maps to IP address 38.238.55.232.

Other host names such as ma-perle.com, sunlijie.com, www.sdzyusa.com and xiaoaizhengxin.com share IP numbers with sdzyusa.com.

Name Servers

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

sdzyusa.com at least partially shares name servers with other domains such as daqianpuhui.com, lanzii.com, anjiys.com, nsumrx.cn and chenbaikeji.com.cn.