`pc-dos.com`

DNSSEC	⚠️ Not signed
A	139.129.141.233^{🇨🇳 Alibaba-Cloud139.129.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`dns21.hichina.com` ⭐
		A	2408:4009:501::29^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.40^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.60^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.200^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.220^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.40^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.60^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.100^{🇨🇳 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	139.224.142.110^{🇨🇳 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	`dns22.hichina.com`
		A	2408:4009:501::30^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.38^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.61^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.198^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.222^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.38^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.61^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.98^{🇨🇳 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	139.224.142.108^{🇨🇳 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	`dns21.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=1775132237

Same first word

pc-dos.com

Similar names

dc-ops.org

sd-cop.com

dps-co.ir

dps-co.com

c-pods.com

pds-co.com

p-docs.com

dc-pos.com

DNS History

5 records (3 active, 2 former)

●NSdns21.hichina.com2026-03-26 → 2026-04-02 · 3 obs

○ 2018-09-13 17:02:18
● 2026-03-26 07:50:32
● 2026-04-02 12:29:00

●NSdns22.hichina.com2026-03-26 → 2026-04-02 · 3 obs

○ 2018-09-13 17:02:18
● 2026-03-26 07:50:32
● 2026-04-02 12:29:00

○NSns1.alidns.com2018-09-13 → 2018-09-13 · 3 obs

● 2018-09-13 17:02:18
○ 2026-03-26 07:50:32
○ 2026-04-02 12:29:00

○NSns2.alidns.com2018-09-13 → 2018-09-13 · 3 obs

● 2018-09-13 17:02:18
○ 2026-03-26 07:50:32
○ 2026-04-02 12:29:00

●A139.129.141.2332026-03-26 → 2026-04-02 · 2 obs

● 2026-03-26 07:50:32
● 2026-04-02 12:29:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
pc-dos.com	dns21.hichina.com, dns22.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.38

NS records: dns21.hichina.com, dns22.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pc-dos.com (unsigned zone)

⏱️ Timing

Total: 4035ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`139.129.141.233`
NS	2	`dns22.hichina.com, dns21.hichina.com`
SOA	1	`dns21.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns21.hichina.com, dns21.hichina.com, dns21.hichina.com...)

Analysis

IP Addresses

pc-dos.com points to a single IP number: 139.129.141.233.

Other host names, for instance www.tongwan360.com and tongwan360.com, share IP numbers with pc-dos.com.

Name Servers

pc-dos.com is delegated to two name servers: dns21.hichina.com and dns22.hichina.com.

pc-dos.com uses the same name server setup as other domains, for instance ltxh.com, koron.cn, dabaoshan.com, akil.cn and salles.info.

pc-dos.com at least partially shares name servers with other domains, such as huntying.com and yunmada.cn and ceping.online.

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

Host names with nine IP numbers: dns21.hichina.com points to 2408:4009:501::29, 39.96.153.40, 39.96.153.60, 47.118.199.200, 47.118.199.220, 120.76.107.40, 120.76.107.60, 139.224.142.100 and 139.224.142.110; dns22.hichina.com points to 2408:4009:501::30, 39.96.153.38, 39.96.153.61, 47.118.199.198, 47.118.199.222, 120.76.107.38, 120.76.107.61, 139.224.142.98 and 139.224.142.108.

pc-dos.com - robtex.com

pc-dos.com

com