`12kj.com`

DNSSEC	⚠️ Not signed
A	121.43.25.149^{🇨🇳 Alibaba-Cloud121.42.0.0/15}
NS	`ns3.01isp.com` ⭐ ⚠️ Not in zone NS records
		A	42.240.142.46^{🇨🇳 CHINANET-Guangdong-GuangZhou-IDC42.240.128.0/20 Guangzhou IDC of ChinaUnicom}
NS	`ns4.01isp.net` ⚠️ Not in zone NS records
		A	47.239.41.106^{🇭🇰 Alibaba-Cloud47.239.0.0/16 Proxy-registered route object}
NS	`ns7.01isp.com` ⚠️ Not in parent delegation
		A	42.240.142.46^{🇨🇳 CHINANET-Guangdong-GuangZhou-IDC42.240.128.0/20 Guangzhou IDC of ChinaUnicom}
NS	`ns8.01isp.net` ⚠️ Not in parent delegation
		A	47.239.41.106^{🇭🇰 Alibaba-Cloud47.239.0.0/16 Proxy-registered route object}
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}
			PTR	`ip-47-246-137-47.defastlink.net`
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	`ns3.01isp.com`admin@now.cn 2026-03-19 #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=1771291435

Subdomains

mail.12kj.com

Same first word

12kj.com

Similar names

k12j.xyz

k12j.com

21jk.cn

21kj.com

kj21.com

12jk.com

jk21.jp

jk12.de

21jk.net

DNS History

12 records (7 active, 5 former)

●NSns3.01isp.com2015-08-17 → 2026-03-23 · 2 obs

● 2015-08-17 11:44:54
● 2026-03-23 14:16:12

●NSns4.01isp.net2015-08-17 → 2026-03-23 · 2 obs

● 2015-08-17 11:44:54
● 2026-03-23 14:16:12

●NSns7.01isp.com2026-02-20 → 2026-03-23 · 3 obs

○ 2015-08-17 11:44:54
● 2026-02-20 03:12:34
● 2026-03-23 14:16:12

●NSns8.01isp.net2026-02-20 → 2026-03-23 · 3 obs

○ 2015-08-17 11:44:54
● 2026-02-20 03:12:34
● 2026-03-23 14:16:12

○MXmx622.now.net.cn2015-08-17 → 2017-02-16 · 4 obs

● 2015-08-17 11:44:54
● 2017-02-16 11:22:34
○ 2019-03-24 19:40:32
○ 2026-03-23 14:16:12

○MXmx622hk.now.net.cn2015-08-17 → 2017-02-16 · 4 obs

● 2015-08-17 11:44:54
● 2017-02-16 11:22:34
○ 2019-03-24 19:40:32
○ 2026-03-23 14:16:12

●MXmxn.mxhichina.com2019-03-24 → 2026-03-23 · 3 obs

○ 2017-02-16 11:22:34
● 2019-03-24 19:40:32
● 2026-03-23 14:16:12

●MXmxw.mxhichina.com2019-03-24 → 2026-03-23 · 3 obs

○ 2017-02-16 11:22:34
● 2019-03-24 19:40:32
● 2026-03-23 14:16:12

○A107.150.96.382019-03-24 → 2019-03-24 · 4 obs

○ 2017-02-16 11:22:34
● 2019-03-24 19:40:32
○ 2026-02-20 03:12:34
○ 2026-03-23 14:16:12

○A116.255.155.1722015-08-17 → 2016-07-01 · 4 obs

● 2015-08-17 11:44:54
● 2016-07-01 09:17:28
○ 2017-02-16 11:22:34
○ 2026-03-23 14:16:12

●A121.43.25.1492026-02-20 → 2026-03-23 · 3 obs

○ 2019-03-24 19:40:32
● 2026-02-20 03:12:34
● 2026-03-23 14:16:12

○A45.249.248.1072017-02-16 → 2017-02-16 · 4 obs

○ 2016-07-01 09:17:28
● 2017-02-16 11:22:34
○ 2019-03-24 19:40:32
○ 2026-03-23 14:16:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
12kj.com	ns3.01isp.com, ns4.01isp.net	1 record

✅ Authoritative Response

Server:47.239.41.106

NS records: ns3.01isp.com, ns4.01isp.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 12kj.com (unsigned zone)

⏱️ Timing

Total: 1146ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.43.25.149`
NS	2	`ns8.01isp.net, ns7.01isp.com`
MX	2	`mxn.mxhichina.com (pri: 5), mxw.mxhichina.com (pri: 10)`
TXT	1	`v=spf1 include:spf.mxhichina.com -all`
SOA	1	`ns3.01isp.com admin.now.cn`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns3.01isp.com)

Analysis

Hierarchy

The parent of mail.12kj.com is 12kj.com.

IP Addresses

12kj.com points to a single IP number: 121.43.25.149.

Other host names, for instance 888ch.com, gnlcn.com, 3hk.cn, www.gnlcn.com and 3hk.com.cn share IP numbers with 12kj.com.

Name Servers

12kj.com is delegated to four name servers: ns3.01isp.com, ns7.01isp.com, ns4.01isp.net and ns8.01isp.net.

12kj.com shares name servers with other domains at least partially, for instance jyy121.com, oborlogistics.com, 28182.com, kuandidi.com and jingug.com.

these name servers are often used together with the name servers ns4001.01isp.net.

Host names with one IP number:

ns3.01isp.com points to: 42.240.142.46.

ns7.01isp.com points to: 42.240.142.46.

ns4.01isp.net points to: 47.239.41.106.

ns8.01isp.net points to: 47.239.41.106.

Host names pointing to 42.240.142.46: ns3.01isp.com and ns7.01isp.com.

Host names pointing to 47.239.41.106: ns4.01isp.net and ns8.01isp.net.

Mail Servers

12kj.com is handled by two mail servers: mxn.mxhichina.com and mxw.mxhichina.com.

12kj.com shares the same mail server setup as other domains, including anxinfloor.com, ocupex.com, miaowutech.com, maplenest.ca and vtime.cn.

12kj.com shares some mail servers with other domains, including sdglasstech.com, growspec-inc.com, 61qt.cn, enterwto.com and newskys.com.

These mail servers are often used with the mail servers mx3.qiye.aliyun.com.

Host names with two IPs:

mxn.mxhichina.com points to: 47.246.136.231 and 47.246.137.47.

Host names with one IP:

mxw.mxhichina.com points to: 47.246.99.195.

12kj.com - robtex.com

12kj.com

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