`sdydtz.com`

	CNAME	`tx01.clks02.com`
	DNSSEC	⚠️ Not signed
	A	140.143.140.122^{🇨🇳 TENCENT-NET-AP140.143.140.0/22 CT BeiJing IDC}

`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=1784962602

Subdomains

www.sdydtz.com

Same first word

sdydtz.com

Similar names

dtsydz.com

sztydd.com

sydtdz.com

sdtzyd.com

sddtyz.cn

sddtyz.com

yzdsdt.com

yzdstd.com

sddytz.cn

DNS History

4 records (3 active, 1 former)

●NSdns23.hichina.com2020-03-09 → 2026-07-25 · 2 obs

● 2020-03-09 11:22:42
● 2026-07-25 07:17:44

●NSdns24.hichina.com2020-03-09 → 2026-07-25 · 2 obs

● 2020-03-09 11:22:42
● 2026-07-25 07:17:44

○CNAMEts01.ctrl.net.cn2020-03-09 → 2020-03-09 · 3 obs

● 2020-03-09 11:22:42
○ 2026-05-18 04:03:02
○ 2026-07-25 07:17:44

●CNAMEtx01.clks02.com2026-05-18 → 2026-07-25 · 3 obs

○ 2020-03-09 11:22:42
● 2026-05-18 04:03:02
● 2026-07-25 07:17:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net...	-
sdydtz.com	dns23.hichina.com, dns24.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.38

NS records: dns23.hichina.com, dns24.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sdydtz.com (unsigned zone)

⏱️ Timing

Total: 3605ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns23.hichina.com, dns24.hichina.com`
CNAME	1	`tx01.clks02.com`
SOA	1	`dns23.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns23.hichina.com, dns23.hichina.com, dns23.hichina.com...)

Analysis

Hierarchy

sdydtz.com is a parent domain of www.sdydtz.com.

IP Addresses

sdydtz.com directs to one IP number, which is 140.143.140.122.

Other host names — tx01.clks02.com, yongjiapower.com, yinfeng-silicon.com and sailway-china.com — share IP numbers with sdydtz.com.

sdydtz.com - robtex.com

sdydtz.com

com