`jwctech.cn`

DNSSEC	⚠️ Not signed
A	38.33.186.188^{🇺🇸 AS39847838.33.160.0/19 PEG TECH INC}
NS	`a10.share-dns.com` ⭐ ⚠️ Not in parent delegation
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`a.share-dns.com` ⚠️ Not in zone NS records
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b.share-dns.net` ⚠️ Not in zone NS records
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b10.share-dns.net` ⚠️ Not in parent delegation
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`a.share-dns.com`master@share-dns.com serial=1751005627

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2034671195

Subdomains

www.jwctech.cn

Same first word

jwctech.cn

jwctech.com

DNS History

9 records (5 active, 4 former)

●NSa.share-dns.com2026-04-15 → 2026-04-15 · 2 obs

○ 2017-03-27 08:13:18
● 2026-04-15 01:18:26

●NSa10.share-dns.com2026-04-15 → 2026-04-15 · 2 obs

○ 2017-03-27 08:13:18
● 2026-04-15 01:18:26

●NSb.share-dns.net2026-04-15 → 2026-04-15 · 2 obs

○ 2017-03-27 08:13:18
● 2026-04-15 01:18:26

●NSb10.share-dns.net2026-04-15 → 2026-04-15 · 2 obs

○ 2017-03-27 08:13:18
● 2026-04-15 01:18:26

○NSdns23.hichina.com2015-08-02 → 2017-03-27 · 3 obs

● 2015-08-02 14:05:22
● 2017-03-27 08:13:18
○ 2026-04-15 01:18:26

○NSdns24.hichina.com2015-08-02 → 2017-03-27 · 3 obs

● 2015-08-02 14:05:22
● 2017-03-27 08:13:18
○ 2026-04-15 01:18:26

○A121.9.244.2252017-03-27 → 2017-03-27 · 3 obs

○ 2016-06-25 13:21:48
● 2017-03-27 08:13:18
○ 2026-04-15 01:18:26

●A38.33.186.1882026-04-15 → 2026-04-15 · 2 obs

○ 2017-03-27 08:13:18
● 2026-04-15 01:18:26

○A61.142.254.1742015-08-02 → 2016-06-25 · 4 obs

● 2015-08-02 14:05:22
● 2016-06-25 13:21:48
○ 2017-03-27 08:13:18
○ 2026-04-15 01:18:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
jwctech.cn	a10.share-dns.com, b10.share-dns.net	-

✅ Authoritative Response

Server:172.64.52.239

NS records: a10.share-dns.com, b10.share-dns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jwctech.cn (unsigned zone)

⏱️ Timing

Total: 701ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`38.33.186.188`
NS	2	`a.share-dns.com, b.share-dns.net`
SOA	1	`a.share-dns.com master.share-dns.com`

Analysis

Hierarchy

The parent of www.jwctech.cn is jwctech.cn.

IP Addresses

jwctech.cn points to a single IP: 38.33.186.188.

Other host names, for instance test5117.cn, www.test5117.cn and www.jwctech.cn share IP numbers with jwctech.cn.

Name Servers

jwctech.cn's delegation is handled by four name servers: a10.share-dns.com, a.share-dns.com, b10.share-dns.net and b.share-dns.net.

jwctech.cn partially shares name servers with other domains; examples include htlaserwh.com, cc1982.com, sz0597.com, ssdy22.com and ttcs365.com.