pscourse.com - dns.ninja

`pscourse.com`

DNSSEC	⚠️ Not signed
NS	`dns25.hichina.com` ⭐
		A	2408:4009:501::33^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.39^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		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,}
		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,}
NS	`dns26.hichina.com`
		A	2408:4009:501::34^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.37^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		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,}
		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,}
SOA	`dns25.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=1782070200

Same first word

pscourse.com

Similar names

purocess.com

scoresup.com

pcourses.com

prosecus.de

uprocess.com

pssource.com

surscope.com

scoresup.org

oucpress.cn

coupress.com

uprocess.eu

processu.com

processu.pt

spsource.com

prosuces.com

seuscorp.com

uprocess.net

upscores.com

supersoc.com

DNS History

10 records (2 active, 8 former)

○NSdns10.hichina.com2015-07-17 → 2020-02-05 · 4 obs

● 2015-07-17 13:30:06
● 2020-02-05 09:53:26
○ 2026-03-10 18:58:16
○ 2026-06-21 19:32:46

●NSdns25.hichina.com2026-03-10 → 2026-06-21 · 3 obs

○ 2020-02-05 09:53:26
● 2026-03-10 18:58:16
● 2026-06-21 19:32:46

●NSdns26.hichina.com2026-03-10 → 2026-06-21 · 3 obs

○ 2020-02-05 09:53:26
● 2026-03-10 18:58:16
● 2026-06-21 19:32:46

○NSdns9.hichina.com2015-07-17 → 2020-02-05 · 4 obs

● 2015-07-17 13:30:06
● 2020-02-05 09:53:26
○ 2026-03-10 18:58:16
○ 2026-06-21 19:32:46

○MXmxbiz1.qq.com2015-07-17 → 2020-02-05 · 4 obs

● 2015-07-17 13:30:06
● 2020-02-05 09:53:26
○ 2026-03-10 18:58:16
○ 2026-06-21 19:32:46

○MXmxbiz2.qq.com2015-07-17 → 2020-02-05 · 4 obs

● 2015-07-17 13:30:06
● 2020-02-05 09:53:26
○ 2026-03-10 18:58:16
○ 2026-06-21 19:32:46

○A121.42.133.1292015-07-17 → 2015-11-14 · 4 obs

● 2015-07-17 13:30:06
● 2015-11-14 02:07:24
○ 2016-03-15 04:04:22
○ 2026-06-21 19:32:46

○A203.107.43.1652020-02-05 → 2020-02-05 · 4 obs

○ 2017-02-17 02:33:50
● 2020-02-05 09:53:26
○ 2026-03-10 18:58:16
○ 2026-06-21 19:32:46

○A42.120.217.262016-03-15 → 2016-07-04 · 5 obs

○ 2015-11-14 02:07:24
● 2016-03-15 04:04:22
● 2016-07-04 06:59:08
○ 2017-02-17 02:33:50
○ 2026-06-21 19:32:46

○A42.156.141.172017-02-17 → 2017-02-17 · 4 obs

○ 2016-07-04 06:59:08
● 2017-02-17 02:33:50
○ 2020-02-05 09:53:26
○ 2026-06-21 19:32:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
pscourse.com	dns25.hichina.com, dns26.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.39

NS records: dns25.hichina.com, dns26.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pscourse.com (unsigned zone)

⏱️ Timing

Total: 759ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns26.hichina.com, dns25.hichina.com`
SOA	1	`dns25.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns25.hichina.com, dns25.hichina.com, dns25.hichina.com...)

Analysis

Name Servers

DNS delegation for pscourse.com points to two name servers: dns25.hichina.com and dns26.hichina.com.

pscourse.com has the same name server delegation as a number of other domains, such as qux.cn, qqlaimi.com, sf315.com and two more.

There is at least partial name server overlap between pscourse.com and other domains — nicloud.com, ir99.cn, yupenglan.com and two more among them.

These name servers tend to appear in combination with the name servers ns1.alidns.com, ns2.alidns.com, expirens3.hichina.com and expirens4.hichina.com.

Host names resolving to 9 IP numbers:

dns25.hichina.com has IP addresses 39.96.153.39, 39.96.153.59 and 47.118.199.199, plus 6 other.

dns26.hichina.com has IP addresses 39.96.153.37, 39.96.153.62 and 47.118.199.197, plus 6 other.