`jsybjt.com`

DNSSEC	⚠️ Not signed
A	218.92.244.218^{🇨🇳 CHINANET-BACKBONE218.92.0.0/16 CHINANET jiangsu province network}
NS	`ns1.cnolnic.com` ⭐
		A	240c:4081:8000:1702::4^{🇨🇳 Baidu240c:4081::/32}
		A	106.12.41.178^{🇨🇳 Baidu106.12.32.0/19}
		A	180.76.132.118^{🇨🇳 Baidu180.76.128.0/19}
NS	`ns2.cnolnic.com`
		A	240c:4082:0:5d80::3^{🇨🇳 Baidu240c:4082::/32}
		A	106.12.205.190^{🇨🇳 Baidu106.12.192.0/20 AS38365}
		A	182.61.7.241^{🇨🇳 Baidu182.61.0.0/19}
MX	`mxn.mxhichina.com` ⭐
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
MX	`mxw.mxhichina.com`⁽¹⁰⁾
		A	47.246.99.195^{🇺🇸 Alibaba-Cloud47.246.96.0/22 Proxy-registered route object}
			PTR	`reachsmartdwell.com`
TXT	`v=spf1 include:spf.mxhichina.com -all`
SOA	`ns1.cnolnic.com`root@cnolnic.com 2006-11-24 #1

`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=1784884582

Same first word

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DNS History

7 records (5 active, 2 former)

●NSns1.cnolnic.com2016-12-20 → 2026-07-24 · 2 obs

● 2016-12-20 11:45:52
● 2026-07-24 09:33:30

●NSns2.cnolnic.com2016-12-20 → 2026-07-24 · 2 obs

● 2016-12-20 11:45:52
● 2026-07-24 09:33:30

●MXmxn.mxhichina.com2026-04-18 → 2026-07-24 · 5 obs

● 2026-04-18 10:08:52
● 2026-04-20 04:14:08
○ 2026-04-20 04:53:50
● 2026-05-15 04:46:48
● 2026-07-24 09:33:30

●MXmxw.mxhichina.com2026-04-18 → 2026-07-24 · 5 obs

● 2026-04-18 10:08:52
● 2026-04-20 04:14:08
○ 2026-04-20 04:53:50
● 2026-05-15 04:46:48
● 2026-07-24 09:33:30

○A180.76.132.1752017-11-06 → 2017-11-06 · 4 obs

○ 2016-12-20 11:45:52
● 2017-11-06 03:27:22
○ 2026-04-18 10:08:52
○ 2026-07-24 09:33:30

○A205.209.136.702016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 11:45:52
○ 2017-11-06 03:27:22
○ 2026-07-24 09:33:30

●A218.92.244.2182026-04-18 → 2026-07-24 · 6 obs

○ 2017-11-06 03:27:22
● 2026-04-18 10:08:52
● 2026-04-20 04:14:08
○ 2026-04-20 04:53:50
● 2026-05-15 04:46:48
● 2026-07-24 09:33:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
jsybjt.com	ns1.cnolnic.com, ns2.cnolnic.com	6 records

✅ Authoritative Response

Server:106.12.41.178

NS records: ns1.cnolnic.com, ns2.cnolnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jsybjt.com (unsigned zone)

⏱️ Timing

Total: 3853ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`218.92.244.218`
NS	2	`ns1.cnolnic.com, ns2.cnolnic.com`
MX	2	`mxn.mxhichina.com (pri: 5), mxw.mxhichina.com (pri: 10)`
TXT	1	`v=spf1 include:spf.mxhichina.com -all`
SOA	1	`ns1.cnolnic.com root.cnolnic.com`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.cnolnic.com, ns1.cnolnic.com, ns1.cnolnic.com...)

Analysis

IP Addresses

jsybjt.com resolves to one IP address: 218.92.244.218.

Additional host names — including jsybyy.com.cn and ybzsyz.com — share IP numbers with jsybjt.com.

Name Servers

jsybjt.com uses two name servers for its delegation: ns1.cnolnic.com and ns2.cnolnic.com.

jsybjt.com uses the same name servers as several other domains — among them fanlisxy.com, tt83.com, jiamali.com and two more.

jsybjt.com has a partial name server overlap with other domains — among them haqile.cn and wxhope.com.

It is common to see these name servers used together with name servers ns3.cnolnic.com and ns4.cnolnic.com.

ns1.cnolnic.com and ns2.cnolnic.com each have three IP addresses — ns1.cnolnic.com directs to 106.12.41.178, 180.76.132.118 and 240c:4081:8000:1702::4; ns2.cnolnic.com directs to 106.12.205.190, 182.61.7.241 and 240c:4082:0:5d80::3.

Mail Servers

Mail for jsybjt.com is handled by two mail servers — mxn.mxhichina.com and mxw.mxhichina.com.

jsybjt.com uses an identical mail server configuration to several other domains — among them tsingsafety.com, newsunrise.com.cn, railsoft.net and two more.

jsybjt.com has at least partial mail server overlap with other domains such as iipm.edu.au, wuhanparking.com, globalpedlar.com and two more.

These mail servers tend to be used in combination with the mail servers mx1.qiye.aliyun.com and mx2.qiye.aliyun.com.

Hostnames that resolve to two IP addresses:

mxn.mxhichina.com directs traffic to 47.246.136.231 and 47.246.137.47.

Hosts with just one IP address:

mxw.mxhichina.com has the IP address 47.246.99.195.

jsybjt.com - robtex.com

jsybjt.com

com