`pkuzk.com`

DNSSEC	⚠️ Not signed
NS	`dns31.hichina.com` ⭐
		A	2408:4009:501::39^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.39^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-39.defastlink.net`
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-59.defastlink.net`
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-199.defastlink.net`
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-219.defastlink.net`
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-39.defastlink.net`
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-59.defastlink.net`
		A	139.224.142.99^{🇨🇳 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,}
			PTR	`ip-139-224-142-99.defastlink.net`
		A	139.224.142.109^{🇨🇳 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,}
			PTR	`ip-139-224-142-109.defastlink.net`
NS	`dns32.hichina.com`
		A	2408:4009:501::40^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.37^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-37.defastlink.net`
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-62.defastlink.net`
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-197.defastlink.net`
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-221.defastlink.net`
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-37.defastlink.net`
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-62.defastlink.net`
		A	139.224.142.102^{🇨🇳 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,}
			PTR	`ip-139-224-142-102.defastlink.net`
		A	139.224.142.107^{🇨🇳 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,}
			PTR	`ip-139-224-142-107.defastlink.net`
SOA	`dns31.hichina.com`hostmaster@hichina.com 2026-01-09 #13

`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

Same first word

pkuzk.com

DNS History

14 records (2 active, 12 former)

●NSdns31.hichina.com2026-03-22 → 2026-03-22 · 2 obs

○ 2017-11-14 18:30:22
● 2026-03-22 15:57:50

●NSdns32.hichina.com2026-03-22 → 2026-03-22 · 2 obs

○ 2017-11-14 18:30:22
● 2026-03-22 15:57:50

○NSns.cnkuai.cn2015-08-12 → 2015-12-06 · 4 obs

● 2015-08-12 00:58:06
● 2015-12-06 09:03:22
○ 2016-03-11 16:34:20
○ 2026-03-22 15:57:50

○NSns.cnkuai.com2015-08-12 → 2015-08-12 · 3 obs

● 2015-08-12 00:58:06
○ 2015-12-06 09:03:22
○ 2026-03-22 15:57:50

○NSns1.namebrightdns.com2017-11-14 → 2017-11-14 · 3 obs

○ 2016-03-11 16:34:20
● 2017-11-14 18:30:22
○ 2026-03-22 15:57:50

○NSns2.cnkuai.cn2015-08-12 → 2015-08-12 · 3 obs

● 2015-08-12 00:58:06
○ 2015-12-06 09:03:22
○ 2026-03-22 15:57:50

○NSns2.cnkuai.com2015-08-12 → 2016-03-11 · 5 obs

● 2015-08-12 00:58:06
○ 2015-12-06 09:03:22
● 2016-03-11 16:34:20
○ 2017-11-14 18:30:22
○ 2026-03-22 15:57:50

○NSns2.namebrightdns.com2017-11-14 → 2017-11-14 · 3 obs

○ 2016-03-11 16:34:20
● 2017-11-14 18:30:22
○ 2026-03-22 15:57:50

○NSns3.cnkuai.cn2015-08-12 → 2016-03-11 · 5 obs

● 2015-08-12 00:58:06
○ 2015-12-06 09:03:22
● 2016-03-11 16:34:20
○ 2017-11-14 18:30:22
○ 2026-03-22 15:57:50

○NSns3.cnkuai.com2015-08-12 → 2015-12-06 · 4 obs

● 2015-08-12 00:58:06
● 2015-12-06 09:03:22
○ 2016-03-11 16:34:20
○ 2026-03-22 15:57:50

○MXmail.skrimple.com2016-07-09 → 2016-07-09 · 3 obs

● 2016-07-09 16:47:34
○ 2017-11-14 18:30:22
○ 2026-03-22 15:57:50

○A139.129.145.2102015-08-12 → 2016-03-11 · 4 obs

● 2015-08-12 00:58:06
● 2016-03-11 16:34:20
○ 2016-07-09 16:47:34
○ 2026-03-22 15:57:50

○A69.46.84.522016-07-09 → 2016-07-09 · 4 obs

○ 2016-03-11 16:34:20
● 2016-07-09 16:47:34
○ 2017-11-14 18:30:22
○ 2026-03-22 15:57:50

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-11-14 → 2017-11-14 · 2 obs

● 2017-11-14 18:30:22
○ 2026-03-22 15:57:50

🔍 DNS Trace

Analysis

Name Servers

Two name servers dns31.hichina.com and dns32.hichina.com handle the delegation for pkuzk.com.

pkuzk.com shares the same name server setup as other domains, for instance prebook.cn, gjcdjcpt.com, alefnetwork.net, bonniena.com and makino-edu.com.

pkuzk.com at least partially shares name servers with other domains, such as xybyxx.com, jzep.cn and ecocem.xyz.

These name servers are commonly used with expirens3.hichina.com and expirens4.hichina.com.

Host names with nine IP numbers:

dns31.hichina.com points to: 2408:4009:501::39, 39.96.153.39, 39.96.153.59, 47.118.199.199, 47.118.199.219, 120.76.107.39, 120.76.107.59, 139.224.142.99 and 139.224.142.109.

dns32.hichina.com points to: 2408:4009:501::40, 39.96.153.37, 39.96.153.62, 47.118.199.197, 47.118.199.221, 120.76.107.37, 120.76.107.62, 139.224.142.102 and 139.224.142.107.

pkuzk.com - robtex.com

pkuzk.com

com