`szdtsy.com`

	CNAME	`gntz1-01.jzdas.com`
	CNAME	`gntz1.jzdas.com`
	DNSSEC	⚠️ Not signed
	A	121.199.8.26^{🇨🇳 Alibaba-Cloud121.199.0.0/16}

`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=1778450671

Same first word

szdtsy.com

Similar names

sytdzs.cn

stdysz.com

sdystz.com

sytdzs.com

stdszy.com

dssytz.com

sdstzy.com

dsytzs.com

sdtzsy.cn

DNS History

8 records (3 active, 5 former)

●NSdns29.hichina.com2026-04-04 → 2026-05-10 · 3 obs

○ 2018-07-23 22:04:40
● 2026-04-04 03:48:16
● 2026-05-10 22:24:42

●NSdns30.hichina.com2026-04-04 → 2026-05-10 · 3 obs

○ 2018-07-23 22:04:40
● 2026-04-04 03:48:16
● 2026-05-10 22:24:42

○NSns11.xincache.com2015-06-24 → 2016-04-21 · 4 obs

● 2015-06-24 23:15:30
● 2016-04-21 10:06:58
○ 2017-01-24 18:27:08
○ 2026-05-10 22:24:42

○NSns12.xincache.com2015-06-24 → 2016-04-21 · 4 obs

● 2015-06-24 23:15:30
● 2016-04-21 10:06:58
○ 2017-01-24 18:27:08
○ 2026-05-10 22:24:42

○NSns13.xincache.com2017-01-24 → 2018-07-23 · 5 obs

○ 2016-04-21 10:06:58
● 2017-01-24 18:27:08
● 2018-07-23 22:04:40
○ 2026-04-04 03:48:16
○ 2026-05-10 22:24:42

○NSns14.xincache.com2017-01-24 → 2018-07-23 · 5 obs

○ 2016-04-21 10:06:58
● 2017-01-24 18:27:08
● 2018-07-23 22:04:40
○ 2026-04-04 03:48:16
○ 2026-05-10 22:24:42

○A142.4.33.372015-06-24 → 2018-07-23 · 4 obs

● 2015-06-24 23:15:30
● 2018-07-23 22:04:40
○ 2026-04-04 03:48:16
○ 2026-05-10 22:24:42

●CNAMEgntz1-01.jzdas.com2026-04-04 → 2026-05-10 · 2 obs

● 2026-04-04 03:48:16
● 2026-05-10 22:24:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
szdtsy.com	dns29.hichina.com, dns30.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.37

NS records: dns29.hichina.com, dns30.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for szdtsy.com (unsigned zone)

⏱️ Timing

Total: 1666ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns29.hichina.com, dns30.hichina.com`
CNAME	1	`gntz1-01.jzdas.com`
SOA	1	`dns29.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns29.hichina.com, dns29.hichina.com, dns29.hichina.com...)

Analysis

IP Addresses

szdtsy.com points to a single IP number: 121.199.8.26.

other host names for instance sscore.net, jtxjm.com, jindaganguo.com.cn, defengyuan-international.com and epe3.com share IP numbers with szdtsy.com.

szdtsy.com - robtex.com

szdtsy.com

com