`kptu.cn`

DNSSEC	⚠️ Not signed
NS	`dns15.hichina.com` ⚠️ Not in zone NS records
		A	2408:4009:501::23^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.112^{🇨🇳 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	139.224.142.122^{🇨🇳 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	`dns16.hichina.com` ⚠️ Not in zone NS records
		A	2408:4009:501::24^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.111^{🇨🇳 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	139.224.142.121^{🇨🇳 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,}

`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=2035168214

Same first word

kptu.cn

kptu.com

kptu.net

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ukpt.com

DNS History

9 records (2 active, 7 former)

●NSdns15.hichina.com2026-06-19 → 2026-08-11 · 3 obs

○ 2017-06-04 11:16:40
● 2026-06-19 01:18:58
● 2026-08-11 14:25:00

●NSdns16.hichina.com2026-06-19 → 2026-08-11 · 3 obs

○ 2017-06-04 11:16:40
● 2026-06-19 01:18:58
● 2026-08-11 14:25:00

○NSwww.kptu.cn2015-10-20 → 2017-06-04 · 4 obs

● 2015-10-20 13:58:58
● 2017-06-04 11:16:40
○ 2026-06-19 01:18:58
○ 2026-08-11 14:25:00

○MXio.bouncemx.com2015-10-20 → 2016-09-11 · 4 obs

● 2015-10-20 13:58:58
● 2016-09-11 07:10:48
○ 2017-06-04 11:16:40
○ 2026-08-11 14:25:00

○A70.39.84.2372016-01-04 → 2016-01-04 · 4 obs

○ 2015-10-20 13:58:58
● 2016-01-04 14:42:10
○ 2016-04-04 06:53:44
○ 2026-08-11 14:25:00

○A70.39.84.2402016-04-04 → 2016-04-04 · 4 obs

○ 2016-01-04 14:42:10
● 2016-04-04 06:53:44
○ 2016-09-11 07:10:48
○ 2026-08-11 14:25:00

○A70.39.84.2452016-09-11 → 2016-09-11 · 4 obs

○ 2016-04-04 06:53:44
● 2016-09-11 07:10:48
○ 2017-06-04 11:16:40
○ 2026-08-11 14:25:00

○A70.39.84.2502015-10-20 → 2015-10-20 · 3 obs

● 2015-10-20 13:58:58
○ 2016-01-04 14:42:10
○ 2026-08-11 14:25:00

○CNAMEk.dcoin.co2015-10-20 → 2017-06-04 · 4 obs

● 2015-10-20 13:58:58
● 2017-06-04 11:16:40
○ 2026-06-19 01:18:58
○ 2026-08-11 14:25:00

🔍 DNS Trace

Analysis

Name Servers

kptu.cn has two authoritative name servers — dns15.hichina.com and dns16.hichina.com.

kptu.cn shares its name server setup with other domains, including palmscm.com, chatface.com, uiren.net and two others.

kptu.cn has at least partial name server overlap with other domains, such as enoc.cn, 2223333.com, winsharethermal.com and two others.

It is common to see these name servers used together with name servers expirens3.hichina.com and expirens4.hichina.com.

Host names with 9 IP numbers:

dns15.hichina.com points to 39.96.153.42, 39.96.153.52, 47.118.199.202 and 6 other IP addresses.

dns16.hichina.com points to 39.96.153.41, 39.96.153.51, 47.118.199.201 and 6 other IP addresses.

kptu.cn - robtex.com

kptu.cn

cn