`ctxjj.com`

DNSSEC	⚠️ Not signed
A	36.248.25.126^{🇨🇳 CHINA169-Backbone36.248.0.0/14 China Unicom Fujian Province Network}
NS	`dns3.hichina.com` ⭐
		A	2408:4009:501::11^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.43^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.63^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.203^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.213^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.43^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.63^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.113^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.123^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`dns4.hichina.com`
		A	2408:4009:501::12^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.44^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.54^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.204^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.214^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.44^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.54^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.114^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.124^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
MX	`mx1.feishu.cn` ⭐
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.feishu.cn`⁽⁵⁾
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
MX	`mx3.feishu.cn`⁽¹⁰⁾
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
TXT	`verification-code-site-App_feishu=Al7VKFL9mfF3Ml3mUWtO`
SOA	`dns3.hichina.com`hostmaster@hichina.com 2026-05-28 #9

`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=1785606202

Same first word

ctxjj.com

Similar names

tjxjc.com.cn

jtjxc.com

tcxjj.com

xcjtj.com

jjtxc.ru

tjxcj.com

jctjx.com

DNS History

14 records (6 active, 8 former)

○NSdns1.iidns.com2016-12-19 → 2016-12-19 · 3 obs

● 2016-12-19 07:27:54
○ 2026-07-21 05:42:00
○ 2026-08-01 17:48:08

○NSdns2.iidns.com2016-12-19 → 2016-12-19 · 3 obs

● 2016-12-19 07:27:54
○ 2026-07-21 05:42:00
○ 2026-08-01 17:48:08

●NSdns3.hichina.com2026-07-21 → 2026-08-01 · 3 obs

○ 2016-12-19 07:27:54
● 2026-07-21 05:42:00
● 2026-08-01 17:48:08

○NSdns3.iidns.com2016-12-19 → 2016-12-19 · 3 obs

● 2016-12-19 07:27:54
○ 2026-07-21 05:42:00
○ 2026-08-01 17:48:08

●NSdns4.hichina.com2026-07-21 → 2026-08-01 · 3 obs

○ 2016-12-19 07:27:54
● 2026-07-21 05:42:00
● 2026-08-01 17:48:08

○NSdns4.iidns.com2016-12-19 → 2016-12-19 · 3 obs

● 2016-12-19 07:27:54
○ 2026-07-21 05:42:00
○ 2026-08-01 17:48:08

○NSdns5.iidns.com2016-12-19 → 2016-12-19 · 3 obs

● 2016-12-19 07:27:54
○ 2026-07-21 05:42:00
○ 2026-08-01 17:48:08

○NSdns6.iidns.com2016-12-19 → 2016-12-19 · 3 obs

● 2016-12-19 07:27:54
○ 2026-07-21 05:42:00
○ 2026-08-01 17:48:08

○MXmail.happyisp.com2020-02-10 → 2020-02-10 · 3 obs

● 2020-02-10 10:56:16
○ 2026-07-21 05:42:00
○ 2026-08-01 17:48:08

●MXmx1.feishu.cn2026-07-21 → 2026-08-01 · 5 obs

○ 2020-02-10 10:56:16
● 2026-07-21 05:42:00
○ 2026-07-27 07:13:52
● 2026-07-27 07:54:24
● 2026-08-01 17:48:08

●MXmx2.feishu.cn2026-07-21 → 2026-08-01 · 5 obs

○ 2020-02-10 10:56:16
● 2026-07-21 05:42:00
○ 2026-07-27 07:13:52
● 2026-07-27 07:54:24
● 2026-08-01 17:48:08

●MXmx3.feishu.cn2026-07-21 → 2026-08-01 · 5 obs

○ 2020-02-10 10:56:16
● 2026-07-21 05:42:00
○ 2026-07-27 07:13:52
● 2026-07-27 07:54:24
● 2026-08-01 17:48:08

○A15.164.83.2062020-02-10 → 2020-02-10 · 3 obs

● 2020-02-10 10:56:16
○ 2026-07-21 05:42:00
○ 2026-08-01 17:48:08

●A36.248.25.1262026-07-21 → 2026-08-01 · 5 obs

○ 2020-02-10 10:56:16
● 2026-07-21 05:42:00
○ 2026-07-27 07:13:52
● 2026-07-27 07:54:24
● 2026-08-01 17:48:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ctxjj.com	dns3.hichina.com, dns4.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.43

NS records: dns3.hichina.com, dns4.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctxjj.com (unsigned zone)

⏱️ Timing

Total: 501ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`36.248.25.126`
NS	2	`dns4.hichina.com, dns3.hichina.com`
MX	3	`mx2.feishu.cn (pri: 5), mx3.feishu.cn (pri: 10)...`
TXT	2	`verification-code-site-App_feishu=Al7VKF, v=spf1 +include:_netblocks.m.feishu.cn -`
SOA	1	`dns3.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns3.hichina.com, dns3.hichina.com, dns3.hichina.com...)

Analysis

IP Addresses

ctxjj.com has exactly one IP address — 36.248.25.126.

Name Servers

Two name servers handle the delegation for ctxjj.com: dns3.hichina.com and dns4.hichina.com.

The name server configuration of ctxjj.com is shared with other domains, for instance aqniu.net, gooooood.cn, rltpvtc.cn and two others.

ctxjj.com shares at least some of its name servers with domains including aizhinengyou.com, jsadyy.com and gdctc.cn

These name servers are regularly seen alongside expirens3.hichina.com and expirens4.hichina.com as name servers.

Hosts with 9 IP addresses each:

dns3.hichina.com resolves to 39.96.153.43, 39.96.153.63 and 47.118.199.203 among others, with 6 other IP addresses in total.

dns4.hichina.com resolves to 39.96.153.44, 39.96.153.54 and 47.118.199.204 among others, with 6 other IP addresses in total.

Mail Servers

ctxjj.com uses three mail servers — mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

At least some of the mail servers used by ctxjj.com are shared with other domains: cloud-unite.com, nhgj.net, stardy.com and two others among them.

Host names pointing to two IP addresses:

mx2.feishu.cn resolves to two addresses: 101.126.58.225 and 122.14.229.0.

Host names resolving to a single IP address:

The hostname mx1.feishu.cn resolves to 52.220.106.220.

ctxjj.com - robtex.com

ctxjj.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`ctxjj.com`

`com`