`jsbchina.com`

DNSSEC	⚠️ Not signed
A	18.140.0.172^{🇸🇬 Amazon18.140.0.0/15 EC2 SIN prefix}
		PTR	`ec2-18-140-0-172.ap-southeast-1.compute.amazonaws.com`
NS	`ns1.net7.net` ⚠️ Not in zone NS records
		A	18.140.0.172^{🇸🇬 Amazon18.140.0.0/15 EC2 SIN prefix}
			PTR	`ec2-18-140-0-172.ap-southeast-1.compute.amazonaws.com`
NS	`ns2.net7.net` ⚠️ Not in zone NS records
		A	18.140.0.172^{🇸🇬 Amazon18.140.0.0/15 EC2 SIN prefix}
			PTR	`ec2-18-140-0-172.ap-southeast-1.compute.amazonaws.com`
TXT	`domain name owner: dn4biz@gmail.com`
TXT	`92eb803b122682c8bf592cac5d073d27941b1ed6`

`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=1778601486

Same first word

jsbchina.cn

jsbchina.com

Similar names

cishanbj.com

chinajsb.cn

cishanbj.cn

chinabjs.cn

chinajsb.com

DNS History

8 records (3 active, 5 former)

●NSns1.net7.net2026-04-08 → 2026-05-12 · 2 obs

● 2026-04-08 03:39:02
● 2026-05-12 15:59:30

●NSns2.net7.net2026-04-08 → 2026-05-12 · 2 obs

● 2026-04-08 03:39:02
● 2026-05-12 15:59:30

○A101.55.33.1142015-12-22 → 2016-03-10 · 5 obs

○ 2015-09-12 01:13:24
● 2015-12-22 14:29:04
● 2016-03-10 13:47:42
○ 2016-08-13 00:52:46
○ 2026-05-12 15:59:30

○A103.41.117.262015-06-21 → 2015-06-21 · 3 obs

● 2015-06-21 08:49:08
○ 2015-09-12 01:13:24
○ 2026-05-12 15:59:30

○A103.43.135.232015-09-12 → 2015-09-12 · 4 obs

○ 2015-06-21 08:49:08
● 2015-09-12 01:13:24
○ 2015-12-22 14:29:04
○ 2026-05-12 15:59:30

○A128.1.204.1042019-03-20 → 2019-03-20 · 4 obs

○ 2016-08-13 00:52:46
● 2019-03-20 20:57:54
○ 2026-04-08 03:39:02
○ 2026-05-12 15:59:30

●A18.140.0.1722026-04-08 → 2026-05-12 · 3 obs

○ 2019-03-20 20:57:54
● 2026-04-08 03:39:02
● 2026-05-12 15:59:30

○A203.111.254.602016-08-13 → 2016-08-13 · 4 obs

○ 2016-03-10 13:47:42
● 2016-08-13 00:52:46
○ 2019-03-20 20:57:54
○ 2026-05-12 15:59:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
jsbchina.com	ns2.net7.net, ns1.net7.net	-

✅ Authoritative Response

Server:18.140.0.172

NS records: ns2.net7.net, ns1.net7.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jsbchina.com (unsigned zone)

⏱️ Timing

Total: 749ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`18.140.0.172`
TXT	2	`domain name owner: dn4biz@gmail.com, 92eb803b122682c8bf592cac5d073d27941b1ed`

Analysis

IP Addresses

jsbchina.com resolves to a single IP address: 18.140.0.172.

Other host names including bluetech.cn, finer.cn, futurestar.cn, joint.com.cn and www.horus.cn share IP numbers with jsbchina.com.

Name Servers

jsbchina.com's delegation uses two name servers, ns1.net7.net and ns2.net7.net.

jsbchina.com shares the same name server setup as other domains, for example shellfish.cn, hiworld.com.cn, sealant.cn, green-space.com and zitek.com.

Host names with a single IP:

- ns1.net7.net points to 18.140.0.172

- ns2.net7.net points to 18.140.0.172

Host names that point to 18.140.0.172: ns1.net7.net and ns2.net7.net

jsbchina.com - robtex.com

jsbchina.com

com